• 注射(1),包括(2),一柱塞(3)可滑动密封接合该筒中,并且结合筒(2)一端

    A syringe (1) comprises a barrel (2) with a plunger (3) in slidable and sealing engagement therein, and a needle attached to one end of the barrel (2).

    youdao

  • 注射(1),包括(2),一柱塞(3)可滑动密封接合该筒中,并且结合筒(2)一端

    A syringe (1) comprises a barrel (2) with a plunger (3) in slidable and sealing engagement therein, and a needle attached to one end of the barrel (2).

    youdao

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