【单选题】对于高精度、批量大的注射模具,采用切削成型时,选用( )最合适。
【单选题】What is the author's opinion of geothermal energy?
A.
Geothermal energy has some disadvantages, but it is probably going to be used in the future.
B.
Geothermal energy is a source that should be explored further before large-scale production begins.
C.
Geothermal energy offers an opportunity to supply a significant amount of power in the future.
D.
Geothermal energy should replace water power in the production of electricity for the United States.
【简答题】EKristy, 28, a cook in La Gross, often wondered what she’d do in a life-threatening situation. On August 29, 1997, she got her answer. While she was driving on a road a big truck hit its head on a pic...
【单选题】对于高精度、批量的注射模具,采用切削成型时,选用( )最合适。