英语词汇“triple-heading room-and-pillar mining”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	triple-heading room-and-pillar mining
释义	triple-heading room-and-pillar mining 三平巷房柱采矿法
随便看	optical isomers optical isotropic optical isotropic crystal optical isotropy opticality optical jig boring machine optical journal reader optical jukebox optical Kerr effect optical keystone corrector optical landing system optical lantern optical laser optical laser radar optical lasers optical laser unit optical lattice constant optical lattice vibration optical laying optical laying equipment optical length optical lens optical lens face optical lens polisher optical letterspacing 井里的蛤蟆说井里干净，堰里的蛤蟆说堰里宽整井里看天箬帽大井里看星星井里蛤蟆没见过多大天井里蛤蟆还爱井井里蛤蟆，只说井里好井里蛤蟆，没见过大天井鱼不可与语大，夏虫不可与语寒亘古亘今，无始无终亘古男儿一放翁。きょうきょうきょうきょうきょうきょうきょうきょうきょうきょう