道岔编号由工务段部门根据道岔布置顺序编号。
参考答案：错
The time Dr. Wang has devoted _____ the disabled in the past five years is now considered_____of great value.
A．helping; being
B．helps; to be
C．to helping; to be
D．to helping; being
某轮排水量为109619t，初稳性高度为2.00m，船舶当时的横倾角为5.7°，则此时的稳性力矩为（）kN•m。
A．149516
B．170875
C．192234
D．213609
