单项选择题
A.periodic survey B.statutory survey C.additional survey D.annual survey
Medium survey should be carried out （） times during the...
单项选择题Medium survey should be carried out （） times during the valid period of the certificate.
The first survey has two situations, one is changing （）...
单项选择题The first survey has two situations, one is changing （） survey, the another is making survey.
A.registry B.ship hull C.nationality D.replacing machineries and electric devices
In the first survey, （） compiles the survey report and ...
单项选择题In the first survey, （） compiles the survey report and fills in certificate.
A.surveyor B.chief engineer C.captain D.chief mate
