- 桶: barrel; bucket; commode; keg ...
- 预热: preheat
- 浇桶预热器: ladle preheater
- 预热: [物理学] preheat◇预热炉 [冶金学] preheating furnace; 预热器 [机械工程] forewarmer; preheater; 预热时间 preheating time; warm up time
- 电预热: electric preheating
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