The technical measures and structure,applied principles of blastproof of ventilation shaft at excavating face,specific operational method and prospective effect are described.
介绍了掘进防炮崩风筒主要措施结构、应用原理、采用这项具体操方法达到预期效果。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
I could think of nothing but these ventilation shafts.
我只能想到这些空气调节筒，却想不出什么别的东西。
Walking through the town, you'll see chimneys and ventilation shafts poking out of the ground.
穿过小，看到烟囱和通风从地面探出头来。
And a ventilation shaft that clears the air can become the center of mysteries and conspiracies.
而净化空气的通风也可能成为神秘和阴谋的中心。
I figured it was a safety measure to prevent curious urbanites from accidentally electrocuting themselves or falling down a ventilation shaft.
我认为这是一种安全措施，可以防止好奇的城市居民意外触电或从通风坠落。
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划词翻译
详细解释
防炮崩风筒
主要
措施
，
看到烟囱和
行中
