求翻译：参加并完成了包装检漏，装粉后含氧量测试，运输测试，堆码测试，压力测试，运输后含氧量测试，放置一定时间后含氧量测试。是什么意思？

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Participation in and completion of the packing leakage detection, and fitted with an oxygen content powder after testing, the transport testing, stackers, pressure test, the transport after testing oxygen content, placement test after a certain amount of time testing oxygen content.

Participated in and has completed the packing leak detection, after installed the powder the oxygen content test, the transpor

Participated in and completed the package leaks, oxygen content after toner test, test for transport, stacking testing, stress testing, transport the oxygen content after testing, placing the oxygen content after a certain time test.