767、每个系统包括基本部件和所有仪表、机械控制器,以及与系统有关的电气和液压组件:

507、Arrows shall be used to indicate flow direction when needed to understand the schematic diagram.

506、The procedures should address how often the program will be reviewed to determine if it is current and adequate for the type of maintenance being performed at the facility.
程序应处理程序审查的频率,以确定其是否为最新的,是否适合设施进行的维护类型

505 、lf you use more complicated types of sentence structure other than the imperative form, you can cause ambiguity.
如果你使用祈使句以外更复杂的句子结构,就会引起歧义。

504、Clean the exterior of the equipment and its mounting shelf hardware using a vacuum cleaner and brush!

503 、 The two most common types of engines used in helicopters are the reciprocating engine and the turbine engine.

502、如果过滤器在异常短的时间后堵塞,将它们送到实验室进行污染分析。

501、如果它们掉落,会出现永久性损坏。

500 、 The listed technical names are only examples, This is not the complete list of all possible technical names.

499、Manually override the start sequence.

498、Drill a hole at the intersection of the two lines.