safety net

A．安全措施

B．安全网

C．安全帽

D．安全防护

[单选题]Spread a safety net under the ___ (舷梯).A．gangwayB．ladderC．pilot ladderD．bridge

[单选题]safety beltA．安全带B．安全帽C．救生衣D．安全网

[单选题]Industrial safety does not just happen.Companies with low accident rates pl

[单选题]E．quipment not ______ official safety standards has all been removed from the workshop.A． conforming to B consistent with C predominant over D providing for

[单选题]F．or the sake of the safety, many parents send their kids to school ________.A． by carB． by busC． by trainD． by public transport

[名词解释] 安全限值 safety limit

[名词解释] 安全动作 safety action

[单选题]In order to ensure the safety of the ship and its equipment during UMS operation, certain essential functions （）.A . must be providedB . may be providedC . have providedD . can be provided

[单选题]Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.A . increasing the volume of intake airB . shutting off the fuel supplyC . increasing the engine back pressureD . over-speeding the engine

[单选题]The purpose of the safety relief valves installed on an auxiliary boiler is to （）.A . relieve excess fuel oil pressure during the “off” fire cycleB . admit water to the dry pipeC . throttle the forced draft fan output for proper combustio