Install the make-up line (s) and snub line to the rig tongs. The snub line should be at least twice the size of the tong line.

装上大钳锚头绳和钳尾绳，钳尾绳的外径至少是大钳锚头绳的两倍。

youdao

Power Tongs and Torque Turns Load Cells: Designed for use in power tongs or drill pipe make-up and break-out applications.

动力钳和自动旋紧管箍机的载荷压力传感器：设计用在动力钳或钻杆的组装和拆卸应用中。

youdao