socket bend造句

例句与造句

1. Pipe joint assemblies and fittings for unplasticized polyvinyl chloride pressure pipelines ; dimensions of socket bends
   未增塑聚氯乙烯压力管道用管连接组件和接头.承口弯头
2. It's difficult to find socket bend in a sentence. 用socket bend造句挺难的