词汇	白枫
释义	白枫 white maple
随便看	ballast statement ballast strip finisher ballast-stripping eductor ballast stripping pump ballast suction ballast suction pipe ballast-surfaced ballast system ballast tamper ballast-tamper ballast tamping ballast-tamping machine ballast tank ballast-tank ballast tank arrangement ballast tank capacity ballast tank emergency flapper ballast tank paint ballast-tank paint ballast tanks ballast template ballast tightening device ballast track ballast track bridge ballast train