词汇	pipe sth for gas
释义	pipe sth for gas 为…安装煤气管道
随便看	specific-gravity bottle specific-gravity bottleflask specific gravity cell specific gravity cleaning specific gravity concentration specific gravity correction factor specific gravity curve specific gravity determining specific, gravity determining specific gravity displacement method specific gravity extraction specific gravity factor specific gravity flask specific gravity floater specific gravity fraction specific gravity hydrometer specific-gravity hydrometer specific gravity in air dry specific gravity in green specific gravity in oven dry specific gravity is 5.6-6.0 specific gravity liquid specific gravity measurement specific gravity meter specific gravity method