Taike valve npauj npaim valve tuaj yeem muab faib ua pneumatic npauj npaim valve, hluav taws xob npauj npaim valve, phau ntawv npauj npaim valve, thiab lwm yam. Npauj npaim valve yog ib hom valve uas siv lub voj voog npauj npaim phaj raws li qhov qhib thiab kaw tivthaiv thiab tig nrog lub valve qia qhib, kaw, thiab regula ...
Nyeem ntxiv