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

Xa kev nug