日本椿本链式联轴器保护罩CR10020K/CR10020H链轮本体 规格尺寸 更多联轴器联轴器,欢迎咨询: 本体+外壳 CR3812H CR24022H CR3812K CR4012H CR24026H CR4012K CR4014H CR32022H CR4014K CR4016H CR40020H CR4016K CR5014H CR40024H CR5014K CR5016H CR40028H CR5016K CR5018H CR5018K CR6018H CR60...