... 管道的高程 elevation of pipe 管道的温度膨胀 temperature expansion of pipes 管道的温度收缩 temperature contraction of pipes ...
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根据安延管道的地形情况，利用高程差进行了自压输油试验。
According to topographical situation of Yanan Pipeline, conduct dead weight oil transporting test a - gainst elevation difference.
把全站仪三角高程的测量原理运用到城市管道工程的建设中，可以代替传统的用几何水准测量高程的方法。
Applying the measuring principle of the trigonometric leveling with total station into the construction of urban pipeline engineering can replace the traditional geometric leveling method.
术语平整建管带表示，平整建管带地表面以允许车辆和设备的运输和操作，并允许在希望的高程处放置管道。
The term grading means leveling the ground surfaces as needed to permit transit and operation of vehicles and equipment and to permit placement of the pipeline at the desired elevation.
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