单词	联轨线
释义	联轨线rail bond双向☞轨条连接线--联轨线
随便看	gravity sedimentation gravity segregation gravity--segregation gravity separation gravity separation-- gravitational separation gravity separation--gravitational separation gravity separation， gravitational separation gravity separator gravity settler gravity settler separator gravity settling gravity settling chamber gravity settling-- gravitational settling gravity settling， gravitational settling gravity sewer gravity shunting gravity shunting yard gravity simulation gravity sintering gravity sliding gravity slope gravity solution gravity spiral gravity spring gravity stamp