无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

單項選擇題

If some surveys refer to statutory survey and ship classification survey but occur temporarily, we call them （）

A.periodic survey
B.statutory survey
C.additional survey
D.annual survey

你可能感興趣的試題

單項選擇題

Medium survey should be carried out （） times during the valid period of the certificate.

A.2
B.3
C.4
D.1

單項選擇題

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

<pre id="ezby5"><strong id="ezby5"></strong></pre>

<pre id="ezby5"><legend id="ezby5"></legend></pre>