閥芯的英文：
needle ;valve disc ;valve plug ;valve spool

needle是什么意思：
n. 針；指針；針狀物；刺激
v. 刺激，激怒；用針縫，刺；縫紉
  • The needle stuck in my finger.
    針扎進我的手指了。
  • To look for a needle in a Bundle of hay
    海底撈針
  • Searching for a needle in a haystack
    大海撈針
valve是什么意思：
n. 閥門；瓣膜；真空管
v. 裝閥于；以活門調(diào)節(jié)
  • Valve Disadvantages: The valve is difficult to close and requires the operator to double close the valve.
    閥門的缺點:閥門難以關(guān)閉，要求操作者二次關(guān)閉閥門。
  • pilot valve governor
    帶伺服電動機的調(diào)節(jié)器輔助調(diào)速器
  • The valve has jammed shut.
    閥門給卡住了打不開。
disc是什么意思：
n. 圓盤；磁盤；唱片
  • herniation of intervertebral disc
    椎間盤突出
  • nucleus pulposus of cervical disc
    頸椎間盤髓核摘除術(shù);頸椎間盤髓核摘除術(shù)
  • Have you recorded the data in disc?
    你已把那些數(shù)據(jù)存儲到磁盤上了嗎？

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