single drum winch

... single drive 单独传动 single drum winch 单筒卷扬机 single ended spanner 单头扳手 ...

 single-drum hoist

... two-drum hoist 双滚筒提升机 ; 双滚筒绞车 ; 双滚筒晋升机 single-drum hoist 单筒卷扬机 two drum hoist 双滚筒提拔机 ...

 single drum hoist

单筒卷扬机 single drum hoist; single drum winch; single-drum hoist; single-drum winch 双滚筒卷扬机 two-drum hoist .

 single-drum winch

单筒绞车 single drum winch; single-drum winch 单筒卷扬机 single drum hoist; single drum winch; single-drum hoist; single-drum winch 单筒目镜 monocular tube eyepiece .