环氧树脂涂料是由环氧树脂、()和填料配制而成,在使用时再加入一定量的固化剂。A.酚醛 发布时间:2022-10-11 13:54 │ 来源:www.tikuol.com 题型:多项选择题 问题: 环氧树脂涂料是由环氧树脂、()和填料配制而成,在使用时再加入一定量的固化剂。A.酚醛B.醋酸丁酯C.有机溶剂D.增韧剂
题型:多项选择题 _____ the project as planned, we'll have to work two more hours a day. [ ] A. Completing B. Complete C. Completed D. To complete 查看答案
题型:多项选择题 The reason _____ he was late for the meeting was ____ his little son fell ill this morning.A.for,thatB.why,thatC.for,becauseD.why,because 查看答案