单词	pipe elbow
释义	DictionarySeeelbow pipe elbow elbow elbows, 1 1. A pipe, sheet metal, or conduit fitting having a bend, usually 90°; a 90° elbow is also called an ell. 2. A crossette, 1. 3. A shoulder, 1.
随便看	sym-tetrachlorodifluoroethane sym-tetrachloroethane symtom symtoms sym-trioxane symvcd symwar syn syn- syn. synabati synac syn/ack synacme synacort synacthen synactosis synad synadelphi synadelphite synadelphus synadenium synadex synadicum marble synaereses

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