... 裂滴带电 spray electrification 浪花坑 spray pit 迅缘区 spray region ...
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The concrete spray bolting is generally suitable only to low-viscosity, high-deformation or displacement soil so that safety of foundation pit can be guaranteed.
一般在土体粘性差，对变形位移要求较严格的情况下，采用喷锚支护较安全可靠；
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