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

词汇	downward movement
释义	downward movement短语⁴⁴⁰⁸² 基本例句向下运动 Hydraulic feedback hollow sucker rod pump solves the problem of downward movement of the hollow rod on a certain extent. 液力反馈型空心杆抽油泵在一定程度上缓解了抽油杆下行困难的问题。 cnki
随便看	suction-chamber suction channel suction channel for fiberscope Suction characteristic suction check valve suction chute suction clack suction-clack suction cleaner suction cleaner filter bag suction cleaner for cleaning suction cleaner for cleaning cleaninges suction cleaner for compressed-air cleaning suction-cleaner hose suction cleaner installation suction-cleaner installation with fixed TUBE suction-cleaner nozzle suction cleaner power drive SUCTION cleaners suction-cleaner tube suction cleaner winding device suction cleaner with handle suction cleaner with power-driven air pumps suction cleaner with user-driven air pumps suction cleaning