M'dziko lobowola, kusunga kukhulupirika kwamadzi obowola ndikofunikira kuti ntchito igwire bwino ntchito komanso chitetezo. Chimodzi mwazinthu zomwe zikuthandizira kwambiri ntchitoyi ndi vacuum degasser, chipangizo chomwe chimapangidwa makamaka kuti chizitha kunyamula mpweya m'madzi obowola. Vacuum degasser, yomwe ili pansi ...
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