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英语例句库

Air hole, burnthrough, cooapse and welding crackle occurred in the fixed overhead weld for aluminium and aluminium alloy tubes, above all the small-size thin wall tube.

针对铝及铝合金管,特别是小口径薄壁管固定口仰焊部位易出、、及焊接热裂纹等问题,分析问题存在的原因,从焊接工艺方面入手,提出一套消除及的操作手法。

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原声例句
世界奇趣图谱

Its hide is comparable to that of an elephant's, making it able to shrug off most small caliber weapons fire with little effect.

它的皮可与象的皮相媲美， 这使它能多数小口径武器的火力不屑一顾，收效甚微。

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经济学人 Science and technology

Some ships do sail with armed guards, but their small-calibre weapons would be hard put to stop a reinforced drone boat whipping across the waves, according to Mr Crino.

克里诺表示，有确实配备了武装警卫，他们的小口径武器很难阻止一艘加强型无人驾驶在海浪中疾驰。

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3G, 401(K), a,
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