moulding in sand floor是什么意思

用法例句

Introduce the anti-buoyancy design key point for furnace pit structure,mainly discuss the confirmation of waterproof location,water reduction coefficient,sub-coefficient of load of water buoyancy.

介绍了熔窑地坑结构的抗浮设计要点,着重对设防水位的确定、水头折减系数、水浮力荷载分项系数的选取进行了探讨。

The protection of silo-cave building driven by regional cultural landscape tourism;

区域文化景观旅游带动地坑院建筑保护