英语词汇“trefoil system”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	trefoil system
释义	trefoil system 辐射警告标志<在黄色背景上的绛红色三叶形
随便看	worm snakes worm something out of Wormsor Worm source tracing algorithm Worm spreading worm spring Worms,Segmented wormstall worm steering worm steering gear worm sth out of worm sth out of sb worms virus Worms World Party wormsyrup worm-syrup worm-type propeller worm type steering gear worm-type steering gear wormul wormuls worm vaccination worms out of Worms,Parasitic worm species