角式注射机的优缺点？
参考答案：
优点：结构简单。
缺点：由于开合模机构是纯机械传动，无法准确可靠地注射和保持压力及锁模力，模具受冲击和振动较大。
With more people ____ the traffic rules, our city is becoming better organized. [ ]
A. respect
B. being respected
C. respected
D. respecting
改善辐射式过热器或再热器工作条件的措施有哪些？
respected