submerged cover 中文意思是什麼
submerged cover
解釋
浸沒覆蓋-
The jm2 mechanical seals are immensely popular. extremely rugged and reliable, they cover a wide spectrum of applications - in water pumps, sewage pumps, submerged pumps, chemical pumps, etc
Jm2系列的機械密封，應用廣泛可靠性好。適用於清水泵、污水泵、潛水泵、化工泵等。
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