Every pack of powder is back-filled with inert gas to prevent further oxidation during storage.
Every pack of powder is back-filled with inert gas to prevent further oxidation during storage.
惰性气体的运用防止了在贮藏时每一包焊锡粉的进一步氧化。
Every pack of powder is back-filled with inert gas to prevent further oxidation during storage.
惰性气体的运用防止了在贮藏时每一包焊锡粉的进一步氧化。