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- The paper introduces in detail the material selection , machining technology and geometrical calculation of the lining for the groove of the headgear sheave. 详细介绍了矿井提升天轮槽衬的材料选用，加工工艺方案的设计及几何计算。
- headgear sheave 天轮
- He drew a sheaf of papers from his breast pocket. 他从上衣口袋里抽出一札文件。
- The speaker had a sheaf of notes on the desk in front of him. 演讲者在他面前的桌子上放着一叠笔记。
- May take on adscititious rubber headgear. 可以置于附加的橡胶灯帽上。
- Are you a robbe too since you wear headgear? 你戴头套，你也是强盗吗?
- Do not soak the headgear during cleaning. 清洗时不要将头罩浸泡在清洗液中。
- He brandished a sheaf of documents. 他手里挥舞着一扎文件。
- Our company produCes hook range,lifting sheave. 我公司生产的吊钩总成，起重滑车。
- He searched for and found a sheaf of papers in cabinet. 他在柜中寻找到一扎文件。
- He waved a sheaf of documents at me. 他手拿一叠文件朝我晃了晃。
- He draw a sheaf of papers from his breastpocket. 他从上衣口袋里抽出一札文件。
- The output of headgear is up to 0.2 million per month. 目前公司拥有月产20万顶帽子的生产能力。
- He drew a sheaf of papers from his breastpocket. 他从上衣口袋里抽出一扎文件。
- The headgear with a glass mask worn by deep-sea divers. （潜水）头盔由深水潜水员戴的带有玻璃面罩的帽盔
- He drew a sheaf of papers from his breast pocket . 他从上衣口袋里抽出一扎文件。
- He draw a sheaf of papers from his breast pocket. 他从上衣口袋里抽出一札文件。
- When riding a bicycle you should wear the proper headgear. 你骑车时应戴上合适的头盔。
- Diesel cars without headgear should catch colchicine. 若非巾柴车，应是钓秋水。
- Are diamond and gem OK also custom-built become unique headgear? 钻石和宝石是不是也可以定制成独一无二的首饰呢？
