溢流阀导承 overflow valve: 溢璃; 溢流阀; 溢流活门guide valve: 导向阀; 导向器叶片valve guide: 阀导承; 阀导块; 阀导套; 阀导向器; 阀杆导承; 气阀导管; 气门导管; 汽门导管valve guide disc guide: 导向套differential overflow valve: 差动溢流阀下载手机词典可随时随地查词查翻译