- diversion sheave
- 折向轮
English-Chinese electricity dictionary (电气专业词典). 2013.
diversion sheave
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Fly system — Fly loft of the Theater Bielefeld in Germany A fly system, flying system or theatrical rigging system, is a system of lines (e.g. ropes), blocks (pulleys), counterweights and related devices within a theatre that enable a stage crew to quickly,… … Wikipedia
