常見(jiàn)例句雙語(yǔ)例句The boom telescoping mechanism is shown as follows.吊臂伸縮機(jī)搆如下圖所示。One of the other pieces of equipment is the telescoping boom for the Aerial Ladder.另一位件設(shè)備是伸縮繁榮，爲(wèi)空中的堦梯。Telescoping of the boom is carried out through telescoping cylinder and steel cable, and all booms telescope simultaneously.吊臂的伸縮是通過(guò)伸縮油缸和鋼絲繩進(jìn)行，各伸縮臂同步伸縮。 返回 telescoping boom