双解实用机械英语

unit 1 世界机械工程史 section one dialogue i'm fond of my major section two reading history of mechanical engineering in the world section three grammar 定语从句 (一) section four exercisesunit 2机械工程制图 section one dialogue do you like engifleering drawing c1ass? section two reading mectlanical engineering drawing section three grammar 定语从句(二) section four exercisesunit 3初加工工艺 section one dialogue i want to visit a steelwoeks section two reading primary processes section three grammar 定语从句(三) section four exercisesunit 4精加工工艺 section one dialogue would yoll mind moving on to amother job? section two reading secondary processes section three grammar 被动语态(一) section four exercisesunit 5金属材料的类型 section one dialogue where are all metals found section tw0 reading types of metal materials section three grammar 被动语态(二) section four exercisesunit 6机器元件 section one dialogue lubricants belong to machine elements section two reading machine elemenlts section three grammar 被动语态(三) section four exercisesunit 7 切螺纹 section one dialogue cherish your screws and bolts! section two reading metal threading section three grammar 被动语态(四) section four exercisesunit 8 金属加工 section one dialogue tell me what's metalworking section tw0 reading metalworkiⅱg section three grammar 被动语态(五) section four exercisesunit 9 车床 section one dialogue this lathe picture is too old to see clearly! section two reading lathe section three grammar 被动语态(六) sectl0n four exercisesunit 10 铣床 section one dialogue may i have a refund on the milling machine? section two reading milling machine section three grammar 被动语态(七) section four exercisesunit 11 切割工具 section one dialogue he's making power saws section two reading cut-off tools section three grammar 分词(一) section four exercisesunit 12 热处理工艺 section one dialogue it's has gone through the heat treatment section two reading heat treatment processes section three gr ammar 分词(二) section four exercisesunit 13 测量 section one dialogue i want something plainer section two reading measurement section three grammar 分词(三) section four exercisesunit 14数控机床概述 section one dialogue you are so coiderate! section two reading numerjcal control machine section three grammar 分词(四) section four exercisesunit 15数控车床的结构 section one dialogue i'm afraid they couldn't section two readrng the structure of a cnc lathe section three grammar 分词(五) section four exercisesunit 16数控车床的操作 section one dialogue why halven't i figured out? section two reading cnc lathe operacion(1) section three grammar 分词(六) section four exercises各单元练习题(section four)答案参考文献