- 送鉆
- 鉆頭給進(jìn)
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bit feed中文什么意思
例句與用法
- B : yes , not too bad , thanks . i ' m a bit fed up4 revising though . are you
還不錯(cuò)，謝謝。不過(guò)我對(duì)復(fù)習(xí)有點(diǎn)厭倦了。你呢？ - I ' m just a bit fed up
我只是感到有些膩煩。 - The hydrodynamic propulsor takes drill fluid as power source , with the aid of the axial load produced by the pressure drop of the bit nozzle , makes the axial force act on the bit to produce wob , making up for the insufficient wob , ensuring the bit feeding smoothly and improving the penetration rate
這種推進(jìn)器以鉆井液為動(dòng)力源，借助鉆頭噴嘴壓降產(chǎn)生的軸向載荷，使軸向力直接作用于鉆頭產(chǎn)生鉆壓，彌補(bǔ)有效鉆壓不足，保證鉆頭平穩(wěn)鉆進(jìn)，提高機(jī)械鉆速。