常見(jiàn)例句雙語(yǔ)例句Once the coating is consumed, the unprotected thin sheet steel disintegrates in a few years.一旦鍍鋅表皮失效,那么薄薄的鋼板便失去了保護(hù),幾年之內(nèi)就會(huì)開(kāi)裂。blog.sina.com.cnResults showed that, due to the heat absorbed by the concrete, the temperature field was lower than that of unprotected steel structure;結(jié)果表明:由于混凝土的吸熱作用,鋼梁的溫度明顯低于無(wú)混凝土?xí)r的裸鋼構(gòu)件; 返回 unprotected steel