例句與造句

1. 5 acid and solvent storage cabinets need to be vented . these cabinets shall be connected directly to an exterior exhaust duct above the fume hood trim or balancing damper
   酸柜和溶劑柜根據(jù)情況需要有通風(fēng)裝置?？梢灾苯舆B接到通風(fēng)柜排氣系統(tǒng)中去。
2. It's difficult to find balancing damper in a sentence. 用balancing damper造句挺難的