凡施工过程中的隐蔽工程，________，并作好相关记录及交接班手续。

搜题请搜索小程序“爱下问搜题”

问题填空题

答案

参考答案：均须实行严格的旁站监督

选择题

Mother asked the youngest girl _________ with her toy car.

A．what the matter was

B．what was the matter

C．what the matter is

D．what is the matter

填空题

钻遇气层时，钻井液的密度和黏度的变人趋势是（），（）。