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
单项选择题 When carrying out mooring trial, if the M√Ecan’t start normally, you should （）
单项选择题 When carrying out mooring trial, the （） trial of the MEis not necessary.
单项选择题 （）does not belong to the mooring trial item.
