| 释义 |
needle-type 英'niːdlt'aɪp美'niːdlt'aɪp BNC²³⁶²¹³⁺¹
基本例句
针型¹⁰⁰
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。 |