The mix of humic acid with diffusion agent N have good effect too.
当采用扩散剂N时，与腐殖酸混合使用效果也较好。
Nevertheless, temperature has a very significant effect on the rate of diffusion.
但是温度对扩散速度却有非常大的影响。
There are some reference effect in design of other types of diffusion pump.
对设计其他类型的扩散泵具有一定的参考作用。
There are some reference effect in design of other types of diffusion pump.
对设计其他类型的扩散泵具有一定的参考作用。
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