3#干熄焦装置设计的锅炉出口调节阀后蒸汽压力为()。
A、4.9MPa
B、9.5MPa
C、10.5MPa
D、7.5MPa
参考答案:B
-- _______ the fashion show?
--It’s great.
A.How do you think of
B.How do you like
C.What do you like
D.What do you think
如图2所示,表示合力F与两力夹角θ的关系图线,则这两个分力大小分别是__________与__________.
图2