闩;A locking device and a reverse counterboring tool bar are designed, their structure and working principle are introduced.
设计了一种锁紧装置和一反锪
刀杆，介绍了其结构原理。
counterbore
/'kauntə,bɔ:/
n. (用平底
)[锪，镗，镗阶梯]；沉，埋头
)[锪，镗，镗阶梯]；沉，埋头声明：以上例句、词性分类均由
资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
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backjoint, back-kick, backland, backlands, backlash, backlbow, back-leak, backleg, backless, backlight,
相似单词
counterbalancing, counterbattery, counter-bid, counterblast, counterblow, counterbore, counterboring, counterboy, counterbrace, counterbracing,