What's the position of vessel in distress?
遇险船的位置是什么？
The types of jigging machines and their positions on the deck have the effects on the hooked-off rate. The lowest hooked-off rate is observed on SE-81 machine and in the middle position of vessel.
不同型号钓机和不同位置的钓机脱钩率不同，其中SE - 81型钓机和船中部位置的脱钩率最低。
They plotted the new position of each vessel.
他们标明每艘船的新位置。
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