玻璃钎维全部裱糊真洁剂采用聚醋酸乙烯酯乳胶,以保证粘接强度。
参考答案:对
The man to whom we handed the forms pointed out that we had not _________ filled in.
A.regularly
B.properly
C.eventually
D.enthusiastically
在铣床铣削中清理切屑时,应使用()。
A、手
B、毛刷
C、棉丝
D、吹气