论文部分内容阅读
美国宾夕法尼亚实业公司所属麦科马克砂石分公司用82辆100吨电漏斗车固定编组运输砂子。该车列在普伦斯波诺(Plainsboro)装车,装8,000吨砂子需4小时,然后运往
The McComb Gravel Division owned by Pennsylvania Industrial Company of the United States used 82 100-ton electric hopper trucks to marshal transport sand. The train was loaded at Plainsboro and loaded with 8,000 tons of sand for 4 hours before being shipped