防落梁挡块应采用Q235焊接()型钢。
参考答案:工
— I have __________my money, could you lend me some?
— Well, how much do you need?
A.heard about
B.run out of
C.passed on
D.got over
厕浴间、厨房防水层上应做()厚水泥砂浆保护层,其上再做地面砖等饰面层。
A.10mm
B.20mm
C.30mm
D.50mm