WilfleyA7NM型泵可处理如盐酸液体等含有侵蚀性，高腐蚀性的化学品。
Wilfley's Model A7NM pump handles liquids containing aggressive, highly corrosive chemicals such as hydrochloric acid.
WilfleyA7NM型泵可处理如盐酸液体等含有侵蚀性，高腐蚀性的化学品。
Wilfley's Model A7NM pump handles liquids containing aggressive, highly corrosive chemicals such as hydrochloric acid.
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