hand setting

常見例句

• He finally removed his hand from the voltage control.
  他終于把手從電壓蝶上拿開。
• Butterfly dampers can be actuated pneumatically, electrically or manually by a simple hand lever.
  蝶型檔板可以采用氣動(dòng)和電動(dòng)，或采用簡單的手柄實(shí)現(xiàn)手動(dòng)。
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