keel draft 中文意思是什麼
keel draft
解釋
龍骨吃水最大吃水-
A movable keel in a sailboat that can be pivoted upward to reduce the boat ' s draft in shallow water
活動防浪板帆船上一活動龍骨,可以繞樞軸扯起以減少船在淺水的吃水深度 -
Therefore, we should calculate the draft accurately now and then, so as to keep the ship on an even keel
因此,我們應隨時精確地計算水尺,以便使船舶前後吃水保持平衡。
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