[机]?直锉法
... 直齿锥齿轮铣齿机 straight bevel gear milling machine 直锉法 straight filing 直动泵 direct-acting pump ...
The number of Americans filing for unemployment insurance has decreased for third-straight weeks bolstering hopes that the job climate is improving.
FORBES: Falling Jobless Claims & More Positive Data Prompt Futures Rally
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