crawler drill

常见例句

Pneumatic crawler drill rig is a kind of rock drilling equipment in construction.
氣動履帶式鑽車是一種工程用鑿巖鑽孔設備。
Crawler hydraulic drill, and USES the new type of hydraulic technology, low gas consumption, rotary torque, move the hole deflection is convenient.
履帶式液壓鑽機，採用新型液壓技術，耗氣量低，廻轉扭矩大，移孔變位方便。
There are few systematical formulas to calculate the roller number and the distances between rollers in crawler travel system of rotary pile drill.
鏇挖鑽機履帶式行走裝置支重輪之間的距離及其數量的多少，尚缺少系統的計算公式。