Said diameter plate composed of two pieces is installed in the slot on inner side of compasses' disk. The slide valve and turning handle are on the diameter plate for drawing circle precisely.

圆规盘内侧壁设计了直径片转动槽，直径片分两片组装进入转动槽，直径片上设计有滑动阀与转动柄，从而达到精确划圆的目的。

youdao

Next moment, hardly knowing how it came about, he found he had hold of the handle and was turning it.

过了一会儿，他也不知道是怎么回事，发现自己抓住了把手，正在转动它。

youdao

It was not until she climbed to the second floor that she thought of turning the handle of a door.

直到她爬到二楼，她才想到转动门把手。

youdao

With much of the tribal region dominated by several Taliban factions, the government is turning to an old practice of striking agreements with local tribal militias, called lashkars,to handle security.

VOA: standard.2009.03.26

Heavy doors that opened manually by turning a clunky handle have been replaced by electronic doors that open automatically, as soon as the train stops.

BBC: Who, what, why: How to get off a busy train

It features a cage with a handle for turning clothes.

CNN: Cleaning through the ages

That is why air strips from Cheju in Korea to Davao in the Philippines to Medan in Indonesia are busy turning themselves into international airports that can handle giants like the Boeing 747-400.

CNN: NO PLACE TO LAND