sand valve撒: scatter; sprinkle; spread砂: sand; grit阀: established house or power g ...撒砂: sand spraying冲砂阀: washout valve下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:撒砂阀，即可在微信中查询翻译
