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mast
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n．船桅，旗杆
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详细解释：
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以下为句子列表：
英文: 9 Inspect the amount, arrangement, fixing position of the signal equipment (Inspect all kinds of signal equipment according to “Navigation signal arrangement and mast structure drawing ” “safe drawing”(such as signal light, signal shape things, signal fla
中文: 信号设备的检验与试验（按照《航行信号布置及桅杆结构图》，《安全图》）检查各种信号设备（如信号灯、信号形状用品、信号旗、烟火信号、救生圈的自亮灯、声音信号等）的数量、布置、安装位置是否满足设计的完工图纸，并在安装到船上之前和之后检查这些设备的质量合格证。
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英文: A long spar extending from a mast to hold or extend the foot of a sail.
中文: 帆下桁从桅杆上伸出的长杆，用来支撑或伸展帆的下端
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英文: A platform enclosing the head of each mast of a sailing ship, to which the topmast rigging is attached.
中文: 桅楼，桅盘帆船上包围着所有帆头的平台，顶桅索具就加结于其上
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英文: A sailing ship with from three to five masts of which only the foremast is square-rigged, the others being fore-and-aft rigged.
中文: 三桅船有三至五个桅杆且只有前部桅杆有横帆装置其余均有纵帆装置的帆船
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英文: A stay for racing or cruising vessels used to steady the mast against the strain of the gaff.
中文: 稳定索，分隔索赛艇或巡逻艇上的支索，为防止斜桁的张力而用于稳定桅杆
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