We found one dictionary that defines the word dual-gravity valve:

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1. dual-gravity valve: Encyclopedia

▸ Words similar to dual-gravity valve ▸ Usage examples for dual-gravity valve ▸ Idioms related to dual-gravity valve ▸ Wikipedia articles (New!) ▸ Words that often appear near dual-gravity valve ▸ Rhymes of dual-gravity valve ▸ Invented words related to dual-gravity valve