英语词汇crownblock protector怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	crownblock protector
释义	crownblock protector 简明释义天车防碰装置网络释义短语 1 crown block protector 天车防碰装置 ; 防碰天车 ; 防碰天车装置 2 valve-against-overwinding crown-block protector 天车卷闸防碰安装
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英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。