常見(jiàn)例句雙語(yǔ)例句The valve is allowed to move vertically and oscillating rotary motion is possible.可允許 該閥垂直移動(dòng)，并可以來(lái)回旋轉(zhuǎn)運(yùn)動(dòng)。ip.com 返回 rotary motion valve