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
A、registry
B、ship hull
C、nationality
D、replacing machineries and electric devices
A、first survey and certificate exchange survey B、first survey and operation survey C、first survey and periodic survey D、classification survey and certificate exchange survey
A、the remind of the master B、the refer of the master C、the render of the master D、the request of the master
A、the remind of the master B、the refer of the master C、the render of the master D、the request of the master
A、A.was first found B、B.was first discovered C、C.has first been discovered D、D.was seen first