管子钳

Insert the wedges between the clamps and the tube from the inboard side of the van and hammer firmly.

在夹钳和来自Van汽车内侧的管子之间插入楔子，并用锤子敲紧。

Pipe wrench dogs within each pipe rack pot are used to loosen the pipe from the rotary head coupling, when return-ing drill pipe to the rack.

当将钻管放回管架上时，用每个管架罐内的管钳爪将管子从转动管接头上松开。

The Floormen remove the safety latch springs and the tong pins and change the tong jaws to match the size of the pipe or tubular to be broken out.

钻工打开安全弹簧和取下大钳销子，换上合适尺寸的钳头以匹配钻杆或管子的尺寸

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。