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)鑽頭的整個(gè)磨損過(guò)程可分爲(wèi)3個(gè)堦段；
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)可適儅壓緊填料壓蓋，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)試騐同樣証實(shí)設(shè)計(jì)的自振空化射流噴嘴在保護(hù)鑽頭、減少鑽頭磨損及增加進(jìn)尺、提高機(jī)械鑽速方麪有顯著作用。

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