Having the structure analyzed, the ability to cross obstacle of both the parts and the whole is determined, the design principle and using advice of some parts is given.
本文在水平井牵引器机构分析的基础上，给出了部分零件的设计原则和牵引器越障性能的评价。
By simulation of the tractor in straight oil pipe with obstacle, discussed the working situation of components and the relation between drag force and the force need to cross obstacle.
通过直管障碍的仿真实验，得出了牵引器在直管中越障时各组件的工作状态、直管越障阻力与设计牵引力的比例关系。
Today, the main obstacle to cross-gender friendships is often jealousy from a romantic partner. To overcome this, communication is essential.
现如今，这种跨越性别的友谊所面临的主要障碍往往是另一半的嫉妒。想要克服这点，沟通交流尤为重要。
Aiming at the special structure of the robot, track-joint, the overpass ability in typical terrain is analyzed. And an action-plan algorithm is designed about how to cross the obstacle automatically.
针对机器人“履带—关节”的特殊结构，分析了机器人在典型地形下的通过性，并且设计了一套机器人自主跨越障碍物的动作规划算法。
Today, the main obstacle to cross-gender friendships is often jealousy from a romantic partner.
现如今，这种跨越性别的友谊所面临的主要障碍往往是另一半的嫉妒。
Today, the main obstacle to cross-gender friendships is often jealousy from a romantic partner.
现如今，这种跨越性别的友谊所面临的主要障碍往往是另一半的嫉妒。
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