The auxiliary shaft topsoil adopted ordinary construction and drainages in hygrometric well.
屯留煤矿副井井筒表土段采用普通法施工,利用井外降水井疏干降水。
Used in ordinary construction works and in making block concrete for which a low hydration temperature is desired.
适用于水化温度低的普通建筑施工和制混凝土砖。
Geological exploration projects are different from ordinary construction projects, especially on larger cost control difficulty.
地质勘查项目不同于一般建设项目,成本控制难度较大。
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