焊结质量要求十分严格，以保证整个的直接空冷设备系统的密封性。?的翻译：Welding with very strict quality, direct air-cooling device to ensure that the entire system tightness. ? 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Welding results very strict quality requirements to ensure that the entire system of direct air-cooling equipment sealing. ?

Welding with very strict quality, direct air-cooling device to ensure that the entire system tightness. ?

Welds ties the quality requirement to be extremely strict, guarantees the entire direct air cooled equipment system the leak-proof quality.?

welding the quality strictly require 10 to ensure that the entire system of direct air cooling equipment the seal. ?

Welding with very strict quality, direct air-cooling device to ensure that the entire system tightness. ?