GCr15刚是滚动轴承刚,但又可制造两句刀具和冷冲模具等。
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1、颗粒剂在制备时,矫味剂、着色剂、芳香剂一般均需要添加
A. 对
B. 错
颗粒剂在贮存时,常需密封,在干燥处保存,防止受潮变质
A. 对
B. 错
The growth in corporate sponsorship is due to the number of small and medium-sized firms.
A. 对
B. 错
It is said that if sponsorships are strategic, they can boost sales.
A. 对
B. 错