The main parts, such as drag plate, rack and half-gear are all made of special material with high quality though processing under advanced technologies.
本产品的主要零件如拖板齿条半齿轮等均采用优质特地材料经先进工艺加工制造而成。
As the ocean floor plate begins to sink down into the mantle, it would drag or pull the entire plate along with it.
当海洋底部开始下沉到地幔中，它会同时将整个海底板块拖拽下去。
After shutdown, the high-pressure plate-fin heat exchanger is recovered to normal run after elimination of the drag through back-blowing of its oxygen passage.
在设备停车后对高压板翅式换热器氧通道进行反吹以消除阻力，使高压板翅式换热器正常运行。
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