... crawler drill 履带式潜孔钻机 Spine Crawler 脊刺爬行虫 ; 尖刺塔 ; 脊针爬虫 Laser Crawler 小虫子闪雷射 ...
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hydraulic crawler drill 履带式油压钻机
Air Crawler Drill 履带式钻机
crawler rock drill 履带式凿岩机
self-propelled crawler rock drill 自行式履带凿岩机
crawler mounted rock drill 履带式石钻
crawler hydraulic bench drill 履带式液压凿岩台车
crawler hydraulic drill 履带液压钻机
crawler mounted drill jumbo 履带式凿岩台车
crawler r drill 履带式潜孔钻机
There are few systematical formulas to calculate the roller number and the distances between rollers in crawler travel system of rotary pile drill.
旋挖钻机履带式行走装置支重轮之间的距离及其数量的多少，尚缺少系统的计算公式。
Crawler hydraulic drill, and USES the new type of hydraulic technology, low gas consumption, rotary torque, move the hole deflection is convenient.
履带式液压钻机，采用新型液压技术，耗气量低，回转扭矩大，移孔变位方便。
With crawler, it is easy and fast to find out the drill hole position.
采用履带行走机构，移动孔位方便，快捷。
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