Metallocenes first appeared in the early 1950s and have been used as antiknock agents, catalysts, and reducing agents.

茂金属首次在50年代初问世，已经用于抗爆剂、催化剂和还原剂。

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Metallocenes first appeared in the early 1950s and have been used as antiknock agents, catalysts, and reducing agents.

茂金属首次在50年代初问世，已经用于抗爆剂、催化剂和还原剂。

youdao