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

单词	room-and-pillar system
释义	room-and-pillar system [矿业] 房柱式采煤法
随便看	line scan transformer line scattering coefficient line scheduling lines Chiene's linescope line score linescore line scores linescores line screen line-screen lines dance company lines design lines drawing line search line search method lineseat line section line sectionalizing line security lineseed line seeding line segment line segment function generator line-segment function generator zmzs zmzt zmzx zmzy zmzz zncb znds zne znej znet 敞口儿敞口车敞开敞开儿敞快敞怀敞着口儿敞篷敞胸露怀敞脸儿表