短語詞組短語liquid level pressure gauge 液位壓力表oil level sight gauge 油位觀測計;直讀式油位計water level settlement gauge 水琯式沉降儀coolant level sight gauge 冷卻液液位目測表level l gauge 水準儀;液麪指示計;液麪指示器level -gauge 液麪指示器light beam level wheel gauge 光束水準車輪儀;光束水準車輪定位differential oil level sight gauge 差速器機油油位目測表wine -level l gauge 酒度計 返回 level gauge