石膏制品表面光滑细腻,主要原因是( )。A.施工工艺好B.表面修补加工C.掺纤维等 发布时间:2017-12-12 09:24 │ 来源:www.tikuol.com 题型:单项选择题 问题: 石膏制品表面光滑细腻,主要原因是( )。A.施工工艺好B.表面修补加工C.掺纤维等材料D.硬化后体积略膨胀性
题型:单项选择题 Which of the following best shows the speaker’s feeling A.We won a very close competition.B.Our firm is the best one by far.C.It’s a pity we didn’t open a downtown office.D.Their firm didn’t open even one branch office downtown. 查看答案