laying out
【建筑】敷设铁轨和枕木【建筑】敷设铁轨以及铁路枕木
laying both rails and railway sleepers
暂无补充释义。
相关词条
additional lighting in laying house【禽】
laying channel-flaps
egg-laying hormone
laying head
thread-laying mechanism (threader, thread feeder)
egg layer (ground laying machine)
RE-LAYING