Paint the tooth flank of the big bevel gear with a thin and equal red lead coat.

即在大锥齿轮的齿面上涂一层薄而均匀的红铅油，然后转动齿轮数圈。

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Though not a doctor or a nurse, she wore a white coat and told him that he was indeed suffering from lead and mercury poisoning.

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"This company is a leader in a nascent market with a technology lead over their competitors, " says Collins, referring to the release last September of Blue Coat's latest version of its ProxySG platform: a stack-mounted box that enables companies to keep tabs on their employees' Internet use.

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