ʻO ka wehewehe ʻana i ka hana ʻana o ka valve butterfly: manual, uila a i ʻole pneumatic?
ʻO ka valve butterfly laina waena he mea hoʻohana maʻamau i ka wai, hoʻohana nui ʻia i nā ʻoihana like ʻole. Loaʻa iā ia nā pōmaikaʻi o ka hoʻolālā maʻalahi, ka liʻiliʻi a me ka hana maʻalahi, no laila makemake ʻia e nā mea hoʻohana. Ma nā noi kūpono, e like me nā pono ...
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