制订: work [map] out; formulate; draw up; evolve 短语和例子制订方案 work out a scheme; 开会制订今年的生产计划 hold a meeting to draw up this year's production plans; 制订一个解决问题的方法 evolve a solution for the problem
煤气发电机: gas engine driven generatorgas-driven generatorgasenginedrivengenerator