After improvement, the plunger of the hydraulic cylinder is advoided being damaged because of no self-lock function in the system when blackout.是什么意思_After improvement, the plunger of the hydraulic cylinder is advoided being damaged because of no self-lock function in the system when blackout.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句