operate

• It's necessary to operate on him .
  必须给他做手术。
• The canister vapor-vent value is operated by vacuum .
  活性炭罐蒸气排泄阀是由真空控制的。
• Ensure the guard is in place before operating the machine .
  将防护罩确实放好后再开机器。
• Some municipalities operate their own public utilities .
  有些城市自行经营自己的公用事业。
• I had my nose operated on .
  我的鼻子动了手术。
• This is the basic operating principle of many thermostats .
  这是许多恒温箱的基本工作原理。
• The pilot operates pedals .
  驾驶员操纵踏板。
• Ford dealerships operated as independent franchises .
  福特汽车公司的代销商都是独立的联营商。
• The boat was operated by two naval ratings in dress whites .
  船由两个穿着白色礼服的水兵驾驶。
• Large mining equipment cannot be operated on narrow benches .
  大型采矿设备不能在窄台阶上操作。