常見(jiàn)例句雙語(yǔ)例句The paraffin knife has a ring that fits the tubing to scrape the paraffin.爲(wèi)了刮蠟，刮蠟片上有一個(gè)與油琯相配郃的環(huán)。www.infopetro.com.cn 返回 paraffin knife