799、 Those units or components give visual or aural warning of conditions in unrelated systems.
这些单元或组件在不相关的系统中发出视觉或听觉警告。

475、然而,制造商可能会省略不适用于该产品的系统/章,或者在可行的情况下合并系统/章。

474、The letters will be matt black on white

473、The microprocessor cards are interchangeable.

473、Keep the backup file in a safe area

472、外径必须与内径同轴。

471、The door is made of carbon fiber reinforced plastic.

470、Before you put new oil in the system, it is mandatory to replace the filter. 在将新油放入系统之前,必须更换过滤器。

469、Long noun clusters are not easy to understand because the words in the noun cluster can connect to
each other in different way. 长名词串不容易理解,因为名词串中的单词可以以不同的方式相互连接。

468、当液压系统 B 的发动机驱动泵压力低于正常时,液压动力转换组件系统为前缘襟翼和缝翼提供备用液压。

467、Make sure that the fluid that goes through the tube has no bubbles.