Since the major portion of the valv

Since the major portion of the valves are pneumatically driven and controlled, it is very advisable to supervise the pressure of the instrument air.

Results (Chinese Traditional) 1:

由於閥門的主要部分是氣動驅動和控制，它是非常明智督促儀錶空氣的壓力。

Results (Chinese Traditional) 2:

由於閥門的主要部分是氣動驅動控制，這是非常可取的監督儀器的空氣的壓力。

Results (Chinese Traditional) 3:

由於閥門的主要部分是氣動驅動和控制，是監督儀錶空氣壓力很明智。