常見(jiàn)例句雙語(yǔ)例句In the view of engineering applications, two kinds of fly ash silo structures derived from its bottom shapes are highlighted as the type of flat bottomed and the type of hopper bottomed.從工程應(yīng)用出發(fā),簡(jiǎn)單介紹了以灰?guī)斓膸?kù)底形狀分類的兩種主要的結(jié)搆型式,平底灰?guī)旌吐a型灰?guī)臁?/li> 返回 bottom ash hopper