single gage 中文意思是什麼
single gage
解釋
單規-
The design that the active protection is taken in the paper is a breakthrough of common methods of gage protection. on the basis of the well - done roller cone bits and pdc bits, three practicable schemes are provided. as a result of selection and design, two brand - new multiple drill bits are invented, that is, protector - tri - cone mdb and protector - single - cone mdb
本論文突破傳統的被動保徑思維，採用主動保徑方法，並在業已成熟的牙輪鉆頭和pdc鉆頭技術的基礎上，提出了三種可行的復合鉆頭實施方案，並經過精心選擇和設計，推出兩種新型復合鉆頭，即變徑保徑器?三牙輪復合鉆頭，變徑保徑器?單牙輪復合鉆頭。
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