词汇	fast valve
释义	fast valve 高速阀,快关阀
随便看	The Land of Hearts Desire The Land of Jonathan Zhou the land of leisure time the land of little rain The land of make-Believe the land of milk and honey the land of nod the land of our fathers the Land of Peach Blossoms the land of pleasures unattained the land of promise the land of the chrysanthemum the land of the free The land of the Giants The Land of the Halt the land of the leal the land of the living the land of the midnight sun the Land of the Rising Sun the land of wandering souls the land of woods and waters The land or realm of the fairies The land overabounds in vegetation the land ownership the land own him