A.1∶1B.1∶2C.1∶3D.1∶4
A.5B.10C.15D.20
一般抹灰工序排序:a.抹灰b.甩漿c.定點d.養(yǎng)護e.隱蔽驗收f.掛網(wǎng)正確排序是()
A.cbdfeaB.cbfdeaC.cbdfaeD.cdbfea