Pneumatic bọọlụ valvụ bụ ụdị pneumatic actuator nke a na-ejikarị na sistemụ njikwa akpaka ọgbara ọhụrụ. Mgbama njikwa na-eme ka ihe ngbanwe nke bọọlụ na-eme ihe site na pneumatic actuator iji mezue njikwa ngbanwe ma ọ bụ njikwa mgbanwe nke ọkara na pipeline. ...
GỤKWUO