青云翻译

With fast heating, very little porosity, oxide loss, product quality, etc.

With quick heating and air hole for rare, oxidation loss, product quality as well as good

Has heats up, the blowhole quickly are extremely few, the oxidation loses, the product quality slightly good and so on the merits

With a faster heating, air vents is very small, light loss, oxidation products are of good quality advantages etc.

With quick heating and air hole for rare, oxidation loss, product quality as well as good