短語詞組短語bellows gas meter [儀]膜盒式氣量計(jì)bellows s meter 皮囊流量計(jì)bellows -type gas or orifice meter 伸縮式氣躰孔板流量計(jì)bellows differential flow meter 膜盒式差壓流量計(jì)bellows s gas meter 膜盒式氣量計(jì) 返回 bellows meter