At present, there are two kinds of front coal feeding system - the one is conveyer belt and traditional mechanical screw conveyer, the other is pump-conveying system.

洗煤泥炉前给料系统目前国内主要有两种形式：一种是采用皮带输送和螺旋给料的传统机械方式，一种是泵送系统。

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The energy storing flexible driving screw mechanism is suitable for mechanical screw transmission with limited driving moment to realize the conversion from rotation to axial linear displacement.

本发明涉及一种具有储能的柔性螺杆传动构造，适用于各种有限驱动力矩的 机械螺杆式传动，实现由旋转变为轴线方向上位移的应用场合。

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Here is an important thing to consider: when airlines cancel due to their own fault, such as a mechanical mishap or pilot scheduling screw up, they are liable for expenses their delayed passengers incur.

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