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二次供水設(shè)備的分類: Two water supply equipment classification: 現(xiàn)在市場上流行的供水設(shè)備，可以根據(jù)其類型的不同分為：無負壓供水設(shè)備，無塔變頻供水設(shè)備，雙模變頻供水設(shè)備，家用一體式供水設(shè)備，數(shù)控氣壓式供水設(shè)備和超靜音管中泵變頻供水設(shè)備等。 Popular on the market now, water supply equipment, can according to different its types as: non negative pressure water supply equipment, no tower frequency of water supply equipment, dual frequency of water supply equipment, household integrated water supply equipment, numerical control pneumatic water supply equipment and ultra quiet tube pump frequency c