underground一般用词,指城市中的地铁,主要用于英国。 以上来源于网络 underground词源中文解释 1570年代,“在表面以下”,来自 under + ground(n.)。作为形容词,始见于大约1600年; 比喻意义上的“隐藏的,秘密的”始见于1630年代; 形容词意义上的“亚文化”来自1953年,源于第二次世界大战期间反抗德国占领的抵抗运动中...
underground water linesexisting buildingmonitoringThe paper describes a system approach to maintain integrity of underground water lines during construction and development during all phases of design and construction operations. The case history of the Turkish Trade Center construction in Moscow is discussed...
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The demonstration revealed that the wireless communication channel between soil and air was significantly affected by multiple spatiotemporal aspects, such as the location and burial depth of the sensors, soil texture and physical properties, soil moisture, and the vegetation canopy height. Soil Water ...
Underground injection means the subsurface emplacement of fluids through a bored, drilled or driven well; or through a dug well, where the depth of the dug well is greater than the largest surface dimension. (See also “injection well”.) Aboveground storage tank shall have the meaning ascribed...
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This includes telecommunication cable tunnels and sewage and water supply tunnels. Like the previous category, this space can be built at high depth as it is seldom visited. View chapterExplore book History of Subsurface Development Bai Yun, in Underground Engineering, 2019 1.7.1 Underground Space ...
A lower depth of the cavern location results in a lower amount of the buffer gas that must be present in the cavern all time during its exploitation as a reservoir. On the other hand, the lower the pressure is, the stronger the contraction of the cavern and correspondingly less gas may ...
depth of groundwater and other related information, can be detailed survey and the exploration of groundwater j, solve drinking water, industrial water and agricultural irrigation demand, to great effect to the successful drilling Wells for water, under the general customers the co...
I’m either writing an in-depth primer on an issue (for instance, spending caps or the mortgage interest deduction). Or I’ve found a story that symbolizes something (for instance, a Great Depression cartoon or the misery of Venezuela). Today’s column belongs in the latter category. Could...