Manual mouldmakers make and repair sand moulds using patterns, moulding boxes, sand and hand tools following bench, floor or pit moulding methods;
手动模具制造商使用样模，成型盒，砂及手工具，遵从板凳，地板或坑成型方法，制造和修理砂模；
The conditions of engineering geology and hydrogeology of 150 000 DWT ship repair yard, Shanhaiguan Shipyard and the problems of the pit excavation are introduced in the paper.
介绍山海关船厂15万吨级修船坞坞址处的工程地质和水文地质条件，以及船坞基坑开挖等地质问题。
The conditions of engineering geology and hydrogeology of 150 000 DWT ship repair yard, Shanhaiguan Shipyard and the problems of the pit excavation are introduced in the paper.
介绍山海关船厂15万吨级修船坞坞址处的工程地质和水文地质条件，以及船坞基坑开挖等地质问题。
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