在法兰密封所需要的预紧力一定时,采取适当减少螺栓()和增加螺栓()的办法,对密封是有利的。
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提高法兰刚度的有效途径1、(),2、(),3、()
(T/F) We may make poor decisions even if we remain calm and think logically.
A. 对
B. 错
(T/F) Widely acknowledged smart and intelligent people will not make poor decisions.
A. 对
B. 错
(T/F) Studying and observing before making a choice will avoid making errors.
A. 对
B. 错