A.動(dòng)載系數(shù) B.額定載荷系數(shù) C.吊籠自重系數(shù)
A.作業(yè)指導(dǎo)書(shū) B.施工組織設(shè)計(jì) C.安全技術(shù)交底 D.班組交底
A.100 B.120 C.150 D.160