A.采用張力平衡機(jī)構(gòu) B.定期調(diào)整鋼絲繩張力 C.采用彈性摩擦襯墊 D.車?yán)K槽
A.5% B.10% C.15% D.20%
A.KJ2~3m B.JK C.JKA D.JKD