line astern 中文意思是什麼
line astern
解釋
艦隊縱列前進-
Move the reversing handle to the ahead side and to the astern side alternately. there is proper blowing from the line filter ( 51 - 2 ) corresponding to the operation
移動換向手柄到正車側和倒車側交變地。有適當的氣從濾器51 - 2吹出相應對操作。 -
This line diagram has been drawn up on the condition that the main engine remains stopped at astern side and that control air has been blown off
這圖畫于主機停留在停止位置後退方向及控制空氣已經放出的狀況。
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