A. “三资企业” B. 外国政府贷款 C. 合作开发 D. 补偿贸易
A. 前加氢、后加氢 B. 全馏份加氢、产品加氢 C. 冷加氢、热加氢
A. 正确 B. 错误
A. 项目建议书 B. 项目建设书批复 C. 项目评估研究资料 D. 工程地质勘察报告
A. wear on the towline is equalized B. weight of the towline increases the towing force C. dip in the towline absorbs shock loads D. danger of overriding is reduced