炼焦是在又高又窄的碳化室中进行的。
Coking is done in tall and narrow coking Chambers, or ovens.
炼焦是在又高又窄的碳化室中进行的。碳化室由高度和长度相同的燃烧室从外部加热。
Coking is done in tall and narrow coking Chambers, or ovens. The ovens are externally heated by combustion Chambers of the same length and height.
爱迪生的实验室测试了取材于不同植物的碳化灯丝，有月桂，黄杨木，胡桃木，雪松，亚麻和竹子。
Edison's lab tested carbonized filaments made from plants as diverse as baywood, boxwood, hickory, cedar, flax and bamboo.
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