我们在港内停泊期间是不可能向外排放污水的。
It is impossible for us to discharge oily water when the ship is in the harbour.
因为降水通常会加剧土壤中一氧化二氮向外排放，她也搜集每次降雨或降雪后的数据。
Because precipitation usually increases nitrous oxide emissions from the soil, she also collects data after any rain or snowfall.
该球阀阀前、阀后阀座都能密封，即所谓双向密封特性，利用自带的排放阀，阀体中腔可向外排放。
The ball valve before the valve can be closed after the valve seat, the so-called two-way sealing characteristics, the use of built-in discharge valve, the valve body cavity may be out emissions.
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