... 背节式水轮机 backpitch wheel 背轮 backgearing 背面低压式机械密封 mechanical seal with low back pressure ...
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靠背轮 coupling ; Clutch
带背轮的塔轮接合销 bull gear clamp
靠背轮胶皮 rubber sheet
靠背轮座 clutch plate
背靠背叶轮泵 pump with opposed impellers ; Back-to-back Impeller Pump
背压式汽轮机 back pressure turbine ; counter pressure turbine ; [动力] back pressure steam turbine ; Back pressure-type turbines
靠背轮来令片 clutch lining
背齿轮轴 back gear shaft
装有背齿轮的 back geared
1817年，另一位英国人罗伯茨采用了四级带轮和背轮机构来改变主轴转速。
In 1817, another British Roberts adopted with round 4 wheel mechanism and back to change spindle speed.
内饰及安装用背胶产品，车灯用背胶，仪表盘用背胶产品，车饰条，轮弧，挡泥板，车标，门把保护用背胶产品。
Interior and installation with adhesive, lamp with adhesive, instrument panel with adhesive products, Jushi, round arc, fender, logo, with the doorknob protection adhesive products.
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