• Jack: in practical mechanics, portable hand-operated device for raising heavy weights through short distances, exerting great pressures, or holding assembled work firmly in position.

    千斤顶应用力学中,指携带方便、以手操作的装置可将重物稍微抬高,能施加巨大压力装配好的对象牢固地支撑原地

    youdao

  • Automatic feed is realized, the auxiliary device of the high-efficiency electric iron can be operated by one hand and the other hand can freely catch a device to be soldered.

    实现自动送料,可以实现一手操作高效电烙铁辅助装置只手任意摆弄扶持器件

    youdao

  • Automatic feed is realized, the auxiliary device of the high-efficiency electric iron can be operated by one hand and the other hand can freely catch a device to be soldered.

    实现自动送料,可以实现一手操作高效电烙铁辅助装置只手任意摆弄扶持器件

    youdao

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