单项选择题

In the M-Emooring trial, the starting trial is carried under（）

A.cold condition
B.stillness condition
C.certain air pressure
D.the surveyors supervision

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单项选择题

A.take a further inspection in the voyage
B.check and repair, then retrial
C.do as the surveyor’s requirement
D.retrial

单项选择题

A.starting
B.torsion vibration
C.direction changing
D.running

单项选择题

A.generator sets running trial
B.shafting intensity trial
C.the trail for pumps that working for ME
D.ME safety devices trial