For the past 50 years French has been the world's leading supplier of mechanical screw presses for the synthetic rubber industry.

在过去的50年中，在合成橡胶工业美国French Oil公司已成为世界领先的螺旋压榨机械的供应商。

youdao

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。

youdao

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。

youdao

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.

FORBES: Making Bad Travel Worse: Did Airlines Cancel Early For Hurricane Sandy?