buret clamp滴定管: burette; buret节流: reduce expenditure夹: double-layered; lined节流夹: pinch cock; pinchcock弹簧(节流)夹, 节流夹: pinchcock clamp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:滴定管节流夹,即可在微信中查询翻译