下载APP
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】机夹刀具有很多特点,但( )不是机夹刀具的特点。
A.
刀具要经常进行重新刃磨
B.
刀片和刀具几何参数和切削参数的规范化，典型化
C.
刀片及刀柄高度的通用化，规则化，系列化
D.
D刀片及刀柄高度的通用化，规则化，系列化
【单选题】In the last two hundred years there have been great changes in the method of production of goods. This is now also true of the building industry; for mechanization has been introduced. System building...
A.
the latter uses ready-made internal features
B.
panels are cast in a level position
C.
the former is used to build walls and floors while the latter to construct bathrooms or bedrooms
D.
the former is more expensive than the latter