（）适合于形状复杂或带有较多嵌件的热固性塑料制品。A.注射成型

搜题请搜索小程序“爱下问搜题”

问题单项选择题

（）适合于形状复杂或带有较多嵌件的热固性塑料制品。

A.注射成型

B.中空成型

C.压注成型

D.固相成型

答案

参考答案：C

选择题

The whole towns were simply swept aside by the power of water.Cars, trains and buildings could not

________, ________ the people who stood in the way.[ ]

A. remain; or rather

B. survive; let alone

C. exist; more or less

D. achieve; besides

单项选择题

下列哪种先天性心脏病的肺血减少（）.

A.房间隔缺损

B.室间隔缺损

C.动脉导管未闭

D.艾森门格综合征

E.法洛四联症