Operations of the crane, including hoisting, Luffing, telescoping, slewing and hoisting of legs, are all driven by the hydraulic system.是什么意思_Operations of the crane, including hoisting, Luffing, telescoping, slewing and hoisting of legs, are all driven by the hydraulic system.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句