A.长度不曳引绳互补B.悬挂在轿厢与对重之间C.楼层很矮可不装D.补偿绳缆与曳引绳无关
A.30%~60%B.0%~100%C.30%~100%D.0%~125
A.0.45~0.5B.0.5~0.6C.0.4~0.6