单词	绞链式球阀
释义	绞链式球阀hinged ball valve
随便看	formal culture formal database query formal declarer formal deduction formal definition formal deformation formal degree formaldehyde formaldehyde 2 formaldehyde 2,4-dinitro-phenylhydrazone formaldehyde-azo-test formaldehyde complex formaldehyde diethyl acetal formaldehyde diethyl acetal; diethoxymethane formaldehyde dimethyl acetal formaldehyde dimethyl acetal-- dimethoxymethane formaldehyde dimethyl acetal; dimethoxymethane formaldehyde dipropyl acetal formaldehyde dipropyl acetal-- dipropoxymethane formaldehyde dipropyl acetal; dipropoxymethane formaldehyde finish formaldehyde--formalin formaldehyde; formalin formaldehyde;formic aldehyde formaldehyde-- formol