阀芯的英文
needle ;valve disc ;valve plug ;valve spool
needle是什么意思
n. 针；指针；针状物；刺激
v. 刺激，激怒；用针缝，刺；缝纫
The needle stuck in my finger.
针扎进我的手指了。
To look for a needle in a Bundle of hay
海底捞针
Searching for a needle in a haystack
大海捞针
valve是什么意思
n. 阀门；瓣膜；真空管
v. 装阀于；以活门调节
Valve Disadvantages: The valve is difficult to close and requires the operator to double close the valve.
阀门的缺点:阀门难以关闭，要求操作者二次关闭阀门。
pilot valve governor
带伺服电动机的调节器辅助调速器
The valve has jammed shut.
阀门给卡住了打不开。
disc是什么意思
n. 圆盘；磁盘；唱片
herniation of intervertebral disc
椎间盘突出
nucleus pulposus of cervical disc
颈椎间盘髓核摘除术;颈椎间盘髓核摘除术
Have you recorded the data in disc?
你已把那些数据存储到磁盘上了吗？
