... base metal catalyst 键金属催化剂; 普通金属催化剂 base metal cermet 贱金属陶瓷 base metal compound 贱金属化合物 ...
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metal-base compound material 金属基复合材料
base metal compound
贱金属化合物
以上为机器翻译结果,长、整句建议使用 人工翻译 。
Yes that's right, the base metal element lead, Pb, or more exactly the lead-based chemical compound Pb(CH2CH3)4 added to petrol to make car engines run more smoothly.
BBC: Does lead poisoning make you violent?
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