Oh, sorry, I fell on the road, and fell into a mud pit.
对不起，我在路上摔倒了，掉进了泥坑。
It is very important to measure the volume change of mud in mud pit for the safe drilling, the control of well blowout and the lost of circulation.
测量泥浆池中泥浆体积的变化对于安全钻井，控制井涌、井漏具有十分重要的意义。
The structure of the friction-increasing chain effectively increases the frictional resistance between the wheel and the mud pit so that the anti-sliding effect is good.
该增摩链的结构有效增加了车轮与泥坑之间的摩擦阻 力，防滑效果好。
Dig the mud-pit larger, Xiao Li.
小李，把泥浆挖大点。
Dig the mud-pit larger, Xiao Li.
小李，把泥浆挖大点。
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