钢丝绳插接的环绳或绳套,其插接长度应大于钢丝绳直径的15倍,且不得小于( )mm。新插接的钢丝绳套应做125%允许负荷的抽样试验。
发布时间:2026-05-01
A.200
B.300
C.400
D.500
试卷相关题目
-
SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69528' and id < 4504954 and id<>'4504954' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69528' and id > 4504954 and id<>'4504954' order by id asc limit 5
湘公网安备:43011102000856号 
