采用横(纵)向下压捆绑方法固定货物时,最佳的捆绑角度是()
A.30°
B.60°
C.90°
参考答案:C
—Sorry, sir. I made a mistake again.
—_________ Practice more and you will do better.
A.Never mind.
B.I’m not sure,
C.You’re welcome.
D.Don’t mention it.
采用清水板条吊顶时,板条必须()
A.三面刨光,断面规格一致
B.一面刨光,断面规格一致
C.一面刨光
D.断面规格一致