To estimate the resistance of thrust correctly during the process of the culvert box jacking is one of the main factors to construct the project successfully.

箱涵推进中推进阻力估算正确与否是工程成败的关键因素之一。

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Introduced the driving gear box for bi-directional twin screw extruder, the new thrust device can instead of the traditional thrust fit.

介绍了双向双螺杆挤出机用传动箱，新型止推装置可替代传统的止推包。

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Fleck took the penalty he won after a nudge in the back by Mihael Kovacevic as the forward thrust into the United box after 78 minutes.

BBC: Rangers 2-0 Dundee United