... articulated connecting-rod 副连杆 connecting drill rod 个杆接头 ; 钻杆接头 symmetrical connecting-rod 对称连杆曲线 ...
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The utility model relates to a multifunctional soil sample connecting device, which comprises a drill rod, a drill body, a handle and a collecting cylinder.
本实用新型为一种多用途土壤样品采集装置，它包括钻杆、钻体、手柄。
Wear-resistant materials, a connecting flange and a drill rod by high carbon steel finishing.
材质耐磨，连接法兰和钻杆采用高碳钢精加工。
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