英语词汇“visible coal reserve”的翻译、意思、用法、释义-英汉汉英双解词典

单词	visible coal reserve
释义	visible coal reserve 回采煤量
随便看	backout volume backover back over back overdraft back overman backovers backpa backpack back pack back-pack backpackable backpack camera back pack camera back-pack camera backpack concentrator backpack suction pump backpacked backpacker back packer back-packer backpacker.com backpackers back-packers backpackers and tourists backpacker tourism backpacking