[網(wǎng)絡(luò)] 彈簧承力的 spring opposed bellows: 彈簧承力波紋管spring opposed valve: 彈簧加載的閥spring-opposed air valve: 彈簧承力空氣閥spring-opposed bellows: 彈簧承力波紋管spring-opposed piston: 彈簧承力活塞下載手機詞典可隨時隨地查詞查翻譯