单词	joint welding
释义	joint welding 搭焊
随便看	emergency closing valve emergency closure emergency cock emergency coke bin emergency cold starting emergency cold starting test emergency combat capability emergency committee emergency communication emergency communication net emergency communication network emergency communications emergency communication system emergency communication terminal emergency commutator switch emergency compass emergency condensation emergency condenser emergency condenser drain emergency condenser system emergency condenser vent emergency condition emergency conditions emergency conference emergency connection 钉钉1 钉2 钉3 钉4 钉嘴铁舌钉头磷磷钉是钉，铆是铆钊钋 08780 08781 08782 08783 08784 08785 08786 08787 08788 08789