()与减压阀并联,可构成执行机构正向减压,反向自由流通回路。
A.双向
B.单向
C.节流
D.顺序
参考答案:B
For sustainable development, the government has decided to give ____ to those energy conserving and
environment-friendly business in many aspects. [ ]
A. profit
B. interest
C. advantage
D. preference
正确的着装与谐调的服装配套可以使妆扮与身材形成一个和谐的整体美。