Gushing water is mud excavation analogue means suddenly
The utility model relates to a gushing water is mud excavation analogue means suddenly, including base, test cavity, vertical pressor pressure device and water inlet, test cavity one side is equippedwith two excavation entrys, lies in the last downside of test cavity respectively, goes into orad int...
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Format: | Patent |
Sprache: | chi ; eng |
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