常見例句Keywords bulk supermarket;fire bazard;steel structure;mechanical smoke control;fire escape; 大型倉(cāng)儲(chǔ)式超市;火災(zāi)危險(xiǎn)性;鋼結(jié)構(gòu);機(jī)械防排煙;安全通道;radiation bazard 放射危害;輻射危害 返回 Bazard