Pneumatic wafer soft seal butterfly valve compact structure, 90 ° rotary switch yosavuta, kusindikiza kodalirika, moyo wautali wautumiki, amagwiritsidwa ntchito kwambiri m'mafakitale amadzi, magetsi, mphero zachitsulo, kupanga mapepala, mankhwala, chakudya ndi machitidwe ena pamadzi ndi ngalande, monga lamulo ndi kudula ntchito. The p...
Werengani zambiri