main hatch
... 主操舵部位：principal steering station 主舱口：main hatchway 主舱甲板：hotel deck ...
基于46个网页-相关网页
... main-frame计算机总配线架主机架底盘船中部肋骨主框架 main-hatch主舱口 main-hold主货舱 ...
基于40个网页-相关网页
·2,447,543篇论文数据，部分数据来源于NoteExpress
分析了封包绳提前断裂状态下降落伞系统的运动特性，建立伞舱组合体在拉直阶段的动力学模型，计算了主伞的运动轨迹，分析了拉出的主伞与伞舱口的碰撞情况。
Under the conditions of early rupture of the reefing lines, motion characteristics of parachute system were analyzed, and mathematic model of parachute-capsule system in the deployment was built.
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