jib topsail
- jib topsail的基本解释
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[体]三角帆顶帆
- 相似词
- 更多 网络例句 与jib topsail相关的网络例句 [注：此内容来源于网络，仅供参考]
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Head, crane operation with fixed fly jib, crane operation with luffing fly jib, crane Superlift operation with main boom, crane Superlift operation with fixed fly jib, and crane Superlift operation with luffing fly jib.
QUY600 QUY800 该系列产品最显著的特征是带超起工况。具有主臂重型臂工况、主臂轻型臂工况、固定副臂工况、塔式副臂工况，以及超起主臂工况、超起固定副臂工况、超起塔式副臂工况。
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This article mainly includes: taking lowest weight as optimization goal, criterionrequest as restrict, optimization programme on jib arm structure of giant floatingcrane design is written based on genetic algorithm;according to jib arm structure ofgiant floating crane which is being designed and other former ones, size and structureform of jib arm are deeply discussed, furthermore, relatively reasonable jib armstructure scheme is proposed.
课题主要内容：以结构重量最轻为优化目标、以规范要求为约束条件、使用遗传算法编制了起重机臂架优化设计计算程序，根据目前正在设计建造的和国内已有的起重臂架结构，在对拔杆式臂架的尺寸及结构形式进行了充分讨论研究的基础上，提出相对合理的臂架结构设计方案和设计思路。
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A large jib used on a racing yacht.One of two spars or booms projecting from the side of a bowsprit for spreading the jib or flying-jib guys.
左右撑杆从船首斜桁侧边支出的两根圆杆或桅桁下的一根，用于展开三角帆或伸开三角帆的绳索
- 更多网络解释 与jib topsail相关的网络解释 [注：此内容来源于网络，仅供参考]
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jib headed topsail：主桅顶三角帆
艏帆升降索 jib halyard | 主桅顶三角帆 jib headed topsail | 艏三角帆装置 jib rig