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Coal mine rockbolt shoring current situation,necessity and significance having discussed rockbolt shoring parameter optimization design combining with leaping forward.

结合跃进矿锚杆支护现状,探讨了锚杆支护参数优化设计的必性。

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For maintenance convenience,many electric switches for mine are adopted pinboard construction in order to reduce effect of coal mine production.

为了维修方便,许多矿用电气开关用插接式结构,以减少对产的影响。

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Excavate coal is primary production link in coal mine production, therefor, Weaving excavate coal working face supersedure plan has instructional meaning.

产中的主产环节,因而编制工作面接替计划对产具有指导性意义。

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The shortwall ladder prop mining method namely strip extraction has been more extensively applied currently in small coal mine of Shaanxi province.

短壁刀柱法即条带开,目前在陕西省小矿开中较广泛应用。

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The problems existed in electric supply protection for coal mine are introduced,and the features and result of the computerisation reform plan are provided.

介绍了矿供电保护存在的问题,提出了微机化改造方案的特点、效果等。

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Large scale planar geological mapping, profiling survey and microfabric analyses proved that lithophysa structure was developed in rhyolite in Yingcheng coal mine area, Jiutai City.

通过大比例尺平面地质续图、剖面测量显微组构分析,九台营城矿区流纹岩中石泡构造发育。

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VOA常速英语(视频版)- 2023合集

None of the coal mines that old coal mines has been rehabilitated properly.

老煤矿没有一个得到很好的修复。

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爷爷奶奶的词汇课

No, he worked in a coal mine.

不,他在煤矿工作。

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VOA Special 202111月合集

Some are employed by coal mines.

是煤炭工

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环球慢速英语

There were many coal mines there once.

那里曾经有很多煤矿。

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赖世雄基础英语词汇2000

The coal mine on the mountain is depleted.

那座山上的煤矿已经开采殆尽了。

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30天习惯养成计划

I work 18 hour days in a coal mine.

我每天在煤矿工作 18 小时。

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当月 CNN 10 学英语 202110月合集

It led to the closure of dozens of coal mines.

这导致了数十处煤矿关闭。

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VOA一分钟英语

Why are these cute birds in a dark coal mine?

为什么这可爱的小鸟在黑暗的煤矿里?

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英国学科学读本

Some day you will, I hope, go down a coal mine.

我希望将来你也能下到煤矿里看一看。

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TED 2019会(双语)

Because 100 years ago, the biggest danger in the South Wales coal mines was gas.

100前,南威尔士煤矿最的危险是天然气。

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VOA一分钟英语

Dinner with the boss is like a canary in a coal mine.

和老板吃饭的员工,就像是煤矿中的金丝雀。

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纽约时报 (New York Times)

Poland's right-wing government has promised to open new coal mines.

波兰的右翼政府也已承诺开设新的煤矿厂。

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赖世雄进阶英语词汇3500

There's nothing left in this area but an exhausted coal mine.

这里什么都没有了,只剩下一座废弃的煤矿。

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CRI在线 20148月合集

Rescue work continues, but has encountered difficulties after part of the coal mine tunnel collapsed.

救援工作仍在继续,但是由于部分煤矿巷道出现垮落,救援工作十分艰巨。

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BBC 听力 201512月合集

Deep coal mines once employed more than a million workers in Britain.

英国的深层煤矿工曾超过100万。

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VOA Special 20185月合集

Her father was a manager at a coal mine. Packard no longer exists.

她的父亲是一名煤矿经理。现在帕卡德已经不存在了。

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CRI在线 20135月合集

It is the second coal mine accident in 24 hours in the country.

这是中国24小时内发的第二起煤矿事故。

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VOA Special 202111月合集

She lost her job at a coal mine four years ago.

她曾在一家煤矿工作。四前,她失去了那份工作。

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VOA Daily Standard 20192月合集

VOA contacted three of the area's larger coal mines for comment. None responded.

我台联系了该地区3家较为型的煤矿,想听听他们的看法。但他们都拒绝回应。

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CNN 10 学英语 20223月合集

The temporary closure of some coal mines in China impacted global energy prices.

中国部分煤矿临时关闭影响了全球能源价格。

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