英语词汇“lifting cylinder”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	lifting cylinder
释义	lifting cylinder 基本例句起重缸,回程缸,千斤顶 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。
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