Blasting induces damage and fragmentation of covering rock mass in subsea tunnel that serious situation might cause tunnel collapse and water burst.
爆破会对海底隧道覆盖岩体造成损伤和破坏，严重情况会引起隧道塌方和突水等事故。
Most of the excess rock, moreover, would have stayed near the point of impact, covering about half of the moon with a thicker, mountainous layer of crust-just what is seen on the real moon.
绝大多数其他的陨石，比月壳厚、多山，散落在撞击点附近，覆盖了月球的近一半，正如我们在月球表面所看到的一样。
The construction method for the biological brick on a rock slope comprises slope trimming, biological hexagonal brick pavement, anchor bolt driving, net suspension, covering and maintenance.
其在岩面边 坡上施工方法包括边坡修整、铺设生物六棱砖、打锚杆、挂网、覆盖 和养护。
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