单词	keep means
释义	keep means 守中庸
随便看	safety margin of shutdown safety margins safety mark safety mark color safety marked coat safety marking safety mark, safety symbol, safety indicator safety mask safety mat safety match safety matches Safety matches safety material Safety Mat Fault safety matrix safety mat switch safety means safety means against ROPE safety means against ROPESbreakage on cranes safety means along the route SAFETY means disconnecting couplings safety means for fuzes safety mercury pipet safety mercury pipette safety message