石油钻机的绞车一般设计成多个档位，各档的挂合和变更方法都不同。

Multi gears is commonly used for the winch of oil RIGS each with different gear changing method.

youdao

演出剧目有《南北合》、《对银杯》、《黄桂砚墨》、《刺血仇》、《拿高登》、《宫门挂带》、《斩子》、《空城计》等。

Productions of "North and South together," "right silver cup", "Patrick Wong Yan Mo", "thorn vendetta", and "Gordon", "palace hanging Band", "cutting off the child," "empty city" and so on.

youdao

橡胶压延机在橡胶机械产品中重型高精度产品，是橡胶制品加工过程中的基本设备，主要用于胶料压片、纺织物挂胶、胶胚压型、胶片帖合等关键工艺。

Rubber rolling mill is the high accuracy in heavy type product in rubber machine products, which is the basic equipment in the process of rubber products.

youdao