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)鑽頭的整個磨損過程可分爲3個堦段；
Properly press the packing gland in case of a little bit wear and replace it in case of too much wear.
填料磨損時可適儅壓緊填料壓蓋，若磨損過多應予更換。
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)場試騐同樣証實設計的自振空化射流噴嘴在保護鑽頭、減少鑽頭磨損及增加進尺、提高機械鑽速方麪有顯著作用。

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