Peb paub tias yog ib qho ntawm cov kws tshaj lij pneumatic npauj npaim valve tuam ntxhab thiab cov muag khoom hauv Suav teb. Thov kom dawb mus yuav bulk pneumatic npauj npaim valve ntawm tus nqi sib tw ntawm no thiab tau txais cov lus hais los ntawm peb lub hoobkas.

Xa kev nug