bit wear

基本解釋

The results show that: the whole bit wear process can be divided into three phases;
發(fā)現(xiàn)鉆頭的整個(gè)磨損過(guò)程可分為3個(gè)階段；
Properly press the packing gland in case of a little bit wear and replace it in case of too much wear.
填料磨損時(shí)可適當(dāng)壓緊填料壓蓋，若磨損過(guò)多應(yīng)予更換。
www.china-pump.org
Field tests also show that the self-resonating cavitation nozzle is highly effective in reducing bit wear, increasing drilling footage and drilling speed.
現(xiàn)場(chǎng)試驗(yàn)同樣證實(shí)設(shè)計(jì)的自振空化射流噴嘴在保護(hù)鉆頭、減少鉆頭磨損及增加進(jìn)尺、提高機(jī)械鉆速方面有顯著作用。

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