needle-type

英['niːdlt'aɪp] 美['niːdlt'aɪp]
  • 针型
  • needle n.针vt.用针缝;激怒;嘲弄vi.缝纫
  • roller n.滚筒;滚轴;滚转机;巨浪
    1. A needle valve with a threaded spindle is unscrewed to open a passage for the liquid to escape to the reservoir from the cylinder when the jack is required to be lowered.
      当千斤顶需要下降时,一个带锭子的针型阀门被放松来使液体通过圆筒流回储备液箱。