阀芯 fáxīn valve core Definitions Defs Origin Strokes Stroke Words Sentences Sents 阀芯 閥芯 fáxīn valve core the inner part of a valve that controls the flow of liquid or gas; valve stem
阀芯 閥芯 fáxīn valve core the inner part of a valve that controls the flow of liquid or gas; valve stem
