泰柏墙板的主要技术性能有哪些？
参考答案：
质轻；高强度；保温、隔热；隔声；抗冻融；抗震。
That seems _____. [ ]
A. quite a good idea
B. a quite good idea
C. very good idea
D. a rather good idea
配压阀遮程小，则使调速器的灵敏度降低
