“所需的充填物料”，是专指土方吗？
Does "Filling material Requirement" specifically refer to earth materials.
该机能完成计量、充填、充氮等工作，通过伺服电机带动螺杆旋转达到计量充填物料的目的。
This Machine completes the procedures of metering, filling, nitrogen filling, etc. Auger filler is drivern by servomotor to reach the goal of mixing, metering and filling material.
大口径管道柔性内胀式密封圈及连接结构和方法。工作密封圈用侧面装有气料嘴的中空橡胶密封圈内充填物料而形成。
The inventive working seal ring is formed by filling the hollow rubber seal ring with a gaseous material mouth on its side with material.
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