他的电磁铁可以吸起2,300磅的铁.His magnet could hold 2,300 pounds.装在起重机上的一块大电磁铁提起破碎机.A large electric magnet on a crane lifts the skull craper.装在起重机上的一块大电磁铁将机器提起.A large electric magnet on a crane lifts the machine....
我公司用各种拉床生产齿轮内花键.We produce gear spline with various broachers.其中计算所得到的拉削力, 必须小于拉床的实际拉力.Which has been calculated Broaching, and must be less than the actual pull broaching machine.拉床还可以进步分为表面拉床 、 内拉床和通用拉床或组合拉床.Broaching ...