Before the important works, undertaken in 1833, the subterranean drain of Paris was subject to these sudden slides.
在1833年动工的重要工程以前，巴黎的地下沟道时常会突然塌陷。
The presented computation methods are also applicable to stability analysis of catch drain, impended wall, open caisson and other excavation works during construction.
所述计算原则和方法也适用于分析截水槽、倒挂井、沉井及其他土石开挖工程在施工期的稳定性。
Eventually, the battery will drain, but that is just the way mother-nature works.
最终，电池将耗尽，但也只是母亲的方式与自然的工程。
The utility model is a water grating board which is convenient to drain. The utility belongs to water grating used in municipal works and sewers of streets and dwelling communities.
一种方便排水的水箅盖，属于市政工程、道路、生活小区内等下水管道上使用的水箅盖。
Grounding works much like a drain or waterfall.
接地工程犹如瀑布或流失。
Grounding works much like a drain or waterfall.
接地工程犹如瀑布或流失。
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