中小型冲裁模的上模固定在冲床滑块上,是通过()实施的。
A、导板
B、导柱和导套
C、压板
D、模柄
参考答案:D
The consulting room is in a mess; I wonder why the doctor didn’t get everything _______before starting to see his patients.
A.in place
B.in relief
C.in surprise
D.in detail
在片剂包衣的辅料中,虫胶乙醇溶液可作
A.隔离层B.粉衣层C.糖衣层D.有色糖衣层E.打光