multiple-drill 中文意思是什麼
multiple-drill
解釋
多軸鉆機-
The 13 - storey institute, with floor area of 13, 000 square metres, features multiple facilities including a drill ground, 13 classrooms, lecture theatre, indoor swimming pool, learning resource centre, information resources centre, obstacle training ground, physical fitness centre and gymnasium with elevated running tracks
這是一所樓高13層的綜合大樓，樓面面積達13 ， 000平方米，內有多項設施，包括步操場、 13間課室、演講廳、室內游泳訓練池、學習資源中心、訊息資源中心、障礙訓練場、健身中心及設有高架跑道的室內運動場。 -
Materialized view maintenance and drill - down at the warehouse span multiple sources
多數據源數據倉庫實體化視圖維護與下查 -
The engineering drilling machine of kp2500 type is a species of full hydraulic pressure rotating plate - drilling machine developed by our company newly, this drill adopts full hydraulic pressure drive, con stant power variable loop, wheel cylinder startup and electrohydraulic multiple operation, the drill can adjust torque according to stratum situation and reduce pressure to deep drilling automatically
Kp2500型工程鉆機是我公司最新研製的一種全液壓轉盤式鉆機，該機採用全液壓驅動，恆功率變量迴路，分泵起動，電液復合操作，鉆機能夠根據地層情況調整扭矩和減壓自動鉆進。 -
In the meantime, under the guideline of " benefit first ", it is desired that there is a multiple drill bit " with multifunction more than drilling " in order to shorten the journey and improve the effect and efficiency
同時，在盡量提高效益的思想指導下，期望出現「一鉆多能」的復合鉆頭，以減少起下鉆的行程，大幅度提高鉆井效益和效率。 -
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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