航海英語(yǔ)船舶強(qiáng)度資料單項(xiàng)選擇題每日一練(2019.01.13)

來源：考試資料網(wǎng)

1 How could lashing gear used aboard Ro-Ro vessels be stowed when not in use?（）

2 For H₂S detection，sensitized tapes indicate H₂S presence by means of discoloration of an exposed spot on the tape. The shade of the color on the spot depends upon the concentration of H₂S and（）.

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3 Frapping lines（）.

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4 Generally，what is used to inflate liferafts?（）

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5 How is a safe water mark，that can be passed close aboard on either side，painted and lighted?（）

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