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杂质元素
释义
矿业工程技术词汇手册
杂质元素
impurity element
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porridge
porridge
porridge with black mushrooms and shredded chicken
porridge with nuts and dried fruits
porringer
porro
Porro
Porro-Koppe principle
Porro-Koppe principle
Porro prism
port
port
port
port
port
port
port
port
port
port
portability
portability
portability
portability
portable
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