青年中文needle barrel的意思
needle barrel中文翻譯：
打捆針筒
barrel───n.桶；一桶（的量）；槍管，炮管；（馬等四足動物的）軀干；v.快速移動；把……裝入桶內；n.(Barrel)（法、意）巴雷爾（人名）
needle───n.針；指針；刺激；針狀物；vi.縫紉；做針線；n.(Needle)人名；(英)尼德爾；vt.刺激；用針縫
magnetic needle───n.磁針；[電磁]磁針
barrel cactus───桶形仙人掌
attachable needle───附針
needle-shaped───針狀的；針形的
dispensing needle───點膠針
dubbing needle───配音針
barrel estate───木桶莊園
The barrel is open at both ends to receive a plunger at the plunger end and a needle at the opposite end.───針筒兩端都開口，以在柱塞端收容柱塞并在相反端收容針頭。
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 在完全壓下的位置將針頭座子從針筒的端部釋放，真空將針頭座子和 針頭推入空心柱塞。
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.───一種針抽吸活組織檢查設備(20)，包括注射器(28)、控制注射器筒(30)內真空的閥門連接器(25)以及防回流頭部。