单词	OUoutput unit
释义	OUoutput unit 出装置
随便看	Backfill-grouting back filling behind abutment and culvert backfilling behind abutments backfilling blade back-filling blinding backfilling bucket backfilling earth backfilling finish backfilling gang backfilling grouting Backfilling high slope back-filling in layers back-filling machine back filling mangle backfilling material backfilling materials behind abutments backfilling method back filling method Backfilling method after stopeing backfilling mining backfilling mining method backfilling mortar Backfilling pipeline backfilling pipeline system backfilling pressure casting