rsbv意思 中文翻譯： RSBV：Resilient Seated Butterfly Valves | 中文意思：───彈性閥座蝶閥 中文簡語解釋： 相關縮寫意思查詢 rsbr rsbo rsbp rscb rsbq rsbt rsbs rsbl rsbw rsby rscd rsce rscc rscf rscg