通过对约束方程的分析讨论、与管道机器人弯道通过性的对比分析，得出了规律性的结论。
A mathematical model to describe the traveling-capability of pipeline robot in T-joint is presented, which is composed of a set of constraint equations.
在分析和测试数据基础上，给出了包括地温和“约束度”因素在内的埋地管道温度应力的修正公式。
On the ground of analytical and test data, it gives out the revision formulas for buried pipeline temperature stress which take into account such factors as soil temperature and "constrain limit".
管道的约束条件、砂床特性和加载速度对管道稳定性均有影响。
Furthermore, the constraint condition, sand property and loading velocity all affect the pipeline stability to a certain degree.
管道安装后进行压力试验时，施工验收规范要求要对管道上的膨胀节进行临时约束。
In accordance with construction acceptance specification, temporary restraint is to apply to the expansion joint on pipeline at pressure test after pipe installation.
多泵站多热站决定了输油管道优化运行的目标函数和约束条件的复杂性。
Multi-pump station and multi-heat station make the objective function and constrains of oil pipeline more complicated.
当地层较软时，弹性约束时管道中的最大应力比固定端约束的要大，而临界悬空长度相差不多。
When the sea soil layer is, softer, the greatest stress for elastic constraints is larger than that for fixed one. The difference in critical length of hanging segment is not much.
换句话说，你必须约束你自己，以使得你的推动力永远受到控制，而且会被导引到正确的管道中。
In other words, you must discipline yourself so that your drive is always under control and directed in the proper channels.
换句话说，你必须约束你自己，以使得你的推动力永远受到控制，而且会被导引到正确的管道中。
In other words, you must discipline yourself so that your drive is always under control and directed in the proper channels.
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