第五章施工安全

c20暖通空调

第一章规划与估算

1. The purpose of a batter board in concrete Work is:

A. to use when mixing concrete

B. as a wood support in a concrete form

C. as a part of a wood shoring system

D. to support layout strings when locating foundations

学习模式考试模式

绿色 = 正确答案

红色 = 错误答案