基本解释[机械工程]煤气发生装置英汉例句权威例句That project and the plant near Chengdu are owned by PetroChina, the country's largest oil and gas producer.NPR: China City Quashes Protest Against Petro Plantgas producer plant更多例句词组短语短语producer gas plant 煤气厂;翻译;煤气发生站gas producer plant更多词组专业释义机械工程煤气发生装置