组合阀compound: compound2 n. 1.(印度等地工厂 ...valve: n. 1.【机械工程】阀,活门,舌门;汽门。 2.【解剖 ...valve grinding compound: 阀研磨膏; 磨阀物, 凡尔砂; 气门研磨膏,磨阀物,阀研磨剂; 气门研磨剂valve lapping compound: 气门研磨剂pilot operated compound-relief valve: 先导式溢流阀下载手机词典可随时随地查词查翻译