常見例句Special safety concepts signalise a beginning failure of the leakproof operation. 當無泄露操作開始出現(xiàn)故障時,特殊的安全裝置會有報警信號發(fā)出。2. Special safety concepts signalise a beginning failure of the leakproof operation. 當無泄露操作開始出現(xiàn)故障時,特殊的安全裝置會有報警信號發(fā)出。 返回 signalise