英语词汇“head sheave, sheave wheel”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	head sheave, sheave wheel
释义	head sheave, sheave wheel 天轮；又称“绳轮”。设置在井架或暗井顶部，承托提升钢丝绳的导向轮。分“固定天轮keyed headsheave”和“游动天轮floating headsheave”。
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