protecting furnace 中文意思是什麼
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There was a low protecting wall to knock down the heat blast from the pit of the furnace
有一堵低矮的護壁擋住從爐膛里噴出的熱浪。 -
Bell type furnace is mainly used to steel strips, steel plantes, copper strips, copper plates and other metal parts for bright anneal and normal anneal heat treatments. according to the technics, the process of preevacuation. heating, protecting atmosphere gew or non oxidation heating, air cooling, fast colling and slow cooling treaments can be executed
罩式爐主要是用於鋼帶、鋼盤圓、銅帶、銅盤圓及其它金屬材料及零件的光亮退火和一般退火工藝，根據熱處理工藝的要求，可對熱處理工件進行預抽真空、加熱、保護氣氛少無氧化加熱、空冷、快冷及緩冷處理。
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