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系统不能接近可燃液体管道或其它可燃气体管道。
D. Systems should not be located close to flammable liquid piping or piping of other flammable gases.
对地上充满液体管道的地震效应作了一些理论上的探讨。
The theoretical research of the relative seismic effect on a pipe full of liquid on the ground is presented.
偏心异径管两端管口圆周内切,一般用于水平的液体管道。
Eccentric different-diameter pipe tube ends in circumference, commonly used for liquid level of pipeline.
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