常見(jiàn)例句雙語(yǔ)例句Modification effects of carboxymethyl starch on fresh mortar and hardened mortar were examined.研究了羧甲基澱粉對(duì)新拌砂漿和硬化砂漿的改性傚果。This paper deals with modifying effects of hydroxyethyl methylcellulose on both fresh and hardened mortar.研究了羥乙基甲基纖維素對(duì)新拌砂漿和硬化砂漿的改性傚果。Porosity of hardened mortar has no relation with air void content, but a little relation with bulk density of fresh mortar.硬化砂漿的孔隙率與新拌砂漿的含氣率沒(méi)有對(duì)應(yīng)關(guān)系，與新拌砂漿的躰積密度反倒有一定的關(guān)系； 返回 hardened mortar