各种污染物在江河中的流动扩散是一很复杂的过程。
The flowing diffusion Of pollutant in a river is a rather complicated process.
在此基础上，利用FORTRAN语言编制了浆液在非贯通裂隙网络内部的流动扩散程序。
Based on the circumstance, the FORTRAN language was applied to write and prepare the flow expansion program of the grout within the non-connected crack network.
如果成捆干草在集装箱里处理时，就可以装到最满为止，因为它不阻碍气体在集装箱里的流动扩散。
For baled hay fumigated in containers, the hay may be loaded to the full extremity of the container, as hay does not restrict GAS flow.
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