单词	局部煤层尖灭
释义	局部煤层尖灭 want
随便看	alloy-iron alloy iron casting alloy iron roll alloy irons alloyjunction alloy junction alloy-junction alloy-junction device alloy junction diode alloy-junction diode alloy junction germanium pnp transistor alloy-junction interface alloy junction medium frequency triode alloy-junction photcell alloy junction photocell alloy-junction photocell alloy junction phototransistor alloy junction technique alloy-junction traansistor alloy junction transistor alloy-junction transistor alloy latch alloy layer alloy lead anode alloy lead frame