相关题目
When the smoke control relay R648 energizes, it supplies 28v dc to energize the supply system control interrupt relay R645.
When the pressure decreases, the indicator shows that there is a leak.
When the weather is very bad, keep these parts in a dry area.
When you do maintenance on the waste water system, do not touch your face with your gloves.
When you install the pitot head, make sure that the opening points forward.
When you push the FAULT/INOP test switch, faults are simulated to do a check of the circuit ability to detect a fault.
If you use more complicated types of sentence structure other than the imperative form, you can cause ambiguity.
Most of the switches you use to control the electrical power system are on the electrical system control panel.
The aircraft and engine manufacturers recommend that you do not weld engine components when the engine is installed on the airframe.
The signal must be given in such a precise way that the pilot cannot confuse.
