needle barrel信息详情
打捆针筒
barrel───n.桶；一桶（的量）；枪管，炮管；（马等四足动物的）躯干；v.快速移动；把……装入桶内；n.(Barrel)（法、意）巴雷尔（人名）
needle───n.针；指针；刺激；针状物；vi.缝纫；做针线；n.(Needle)人名；(英)尼德尔；vt.刺激；用针缝
magnetic needle───n.磁针；[电磁]磁针
barrel cactus───桶形仙人掌
attachable needle───附针
needle-shaped───针状的；针形的
dispensing needle───点胶针
dubbing needle───配音针
barrel estate───木桶庄园
The barrel is open at both ends to receive a plunger at the plunger end and a needle at the opposite end.───针筒两端都开口，以在柱塞端收容柱塞并在相反端收容针头。
plunger in the fully depressed position releases the needle carrier from the end of the barrel and the vacuum pulls the needle carrier and needle into the hollow plunger.───柱塞 在完全压下的位置将针头座子从针筒的端部释放，真空将针头座子和 针头推入空心柱塞。
A needle aspiration biopsy device (20) includes a syringe (28), a valve coupler (25) for controlling a vacuum in the syringe barrel (30), and an anti-reflux head.───一种针抽吸活组织检查设备(20)，包括注射器(28)、控制注射器筒(30)内真空的阀门连接器(25)以及防回流头部。