989、喷油嘴堵塞可能导致操作错误。

334、Guarantee that all means we use meet the requirement of airworthiness.

333、Check all parts for obvious defects in accordance with standard industry practices.

332、Only approved persons are permitted to stay in this area.

331、Turbine engine tachometers usually measure speed as percentage of the nominal maximum speed ofc the turbines.

330、All persons in this area must use a respirator.

329、The ozone converter prevent damage to the air separation module from oxidation of the membrane material by ozone.

328、将溢流阀门拔动开关保持在打开位置,直到流出阀位置指示器显示完全打开。

327、Loosen the screws that (attach the clamp to the support.

326、The diagram shall be arranged so that the flow of the system can be traced with a minimum of effort.

325、The precision of the gauges must agree with the applicable quality standard.