to aid detection of bleed valve movement in noisy environments a headset has been provided.
为了保证强噪音环境下测试的準确度,系统还带有一只耳机。
complete assemblies include a motor-starter, a manual switch mounted on the control panel, a bleed valve and an analog or digital readout, plus plumbing to the tank.
全套装配包括电机驱动,控制面板上的手动开关,排泄阀和模拟或数字读数器等。
some improvements were presented by analyzing and demonstrating for the structural design deficiency of the bleed valve of a heavy duty gas turbine bleed system.