填料函的作用主要是为了封闭泵壳与泵轴之间的空隙，不让泵内的水流不流到外面来也不让外面的空气进入到泵内。
The role of the stuffing pump is mainly to close the gap between the shell and the shaft, to prevent the flow pump does not flow to the outside, it does not allow outside air into the pump.
本文通过几个简单含碘复合物的相对论密度泛函计算，考察了相对论效应对碘键作用的影响。
This paper has inspected the effect of the relative theory on the function of the bond of idoine through functional calculating of the relative density of several simple compounds containing idoine.
因为相较于地函，我们所研究的锆石，氧18含量偏低，而这种情形只有可能是晶体的母岩曾经和雨水或雪发生交互作用。
The zircons we studied were depleted in oxygen 18 relative to the mantle, and such depletion occurs only if the crystals formed from rocks that interacted with rain or snow.
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