航海英語船舶索具及保養(yǎng)單項(xiàng)選擇題每日一練(2019.01.13)

來源：考試資料網(wǎng)

1 When a line is laid down in loose，looping figure-eights，it is said to be（）.

2 Coiling new rope against the lay，bringing the lower end up through the center of the coil，then coiling with the lay，in order to remove the kinks，is known as（）.

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3 The latch of a safety hook（）.

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4 What type of line melts easiest（）.

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5 （） are two vertical supports，usually steel，one each side of the centerline of the ship used to support booms.

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