seatec - Finnish marine technology review 2/2016 | 页面 16
FINNISH RESEARCH VESSELS TAKE PART IN BARENTS SEA HYDROGRAPHIC SURVEYING by: MERJA KIHL AND ARI MONONEN photos: STOCKSNAP.IO 14 seatec 2/2016
seatec - Finnish marine technology review 2/2016 | 页面 15
seatec - Finnish marine technology review 2/2016 | 页面 17