6、文 中 文5 transfer canal 输气道6 intake port 进气口7 exhaust port 排气口8 exhaust gas 废气9 spark plug 火花塞3.4 Two-stroke diesel engine operation principle二冲程柴油机工作原理1 air 空气2 blower pump 扫气泵3 precompressed air 预压空气4 air chamber 空气室5 inlet port 进气口6 injector 喷油器7 exhaust valve 排气门8 exhaust gas 废气四、Engi