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词汇
drill stem elements
释义
drill stem elements
基本
例句
钻具
These two days we have been laying down drill tools.
这两天我们都在甩钻具。
This paper analyses how the whipstocking screw drill tools easily trip in casing.
因此,结构弯角必然较大,这就提出了这种钻具在套管内能否顺利下入的问题。
随便看
roadheader, heading machine, tunneling machine
roadheader machine
roadheader-ring
roadheader rotary table
roadheader with single arm
road-heading machinery
road-heading machinery, driving machinery
roadhead maintenance area
roadheads
road heat
road heater
road heating
road helping the poor
road-hidden holes
road hierarch
road history
roadhog
road impedance
road impedance function
road improvement
road-improvement
road improvenment
road hog
road-hog
road-hoggish
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更新时间:2025/11/7 13:59:21