词汇	rudder signal
释义	rudder signal un.舵信号
随便看	sign of inclusion sign of inequality sign of infinity sign of integration sign of intersection sign of life sign of lobulation sign of manufacturer sign of mathematics sign of meningeal irritation sign of modem university mode sign of multiplication sign of operation sign of outburst sign of pericardial effusion sign of rubber stick sign of similarity sign of solution sign of special purpose vehicle Sign of Spirit sign of subtraction sign of summation sign of the cross sign of the membership relation sign of the time