UNIT 1 世界機械工程史 SECTION ONE DIALOGUE SECTION TWO READING SECTION THREE GRAMMAR SECTION FOUR EXERCISES UNIT 2 機械工程制圖 SECTION ONE DIALOGUE SECTION TWO READING SECTION THREE GRAMMAR SECTION FOUR EXERCISES UNIT 3 初加工工藝 SECTION ONE DIALOGUE SECTION TWO READING SECTION THREE GRAMMAR SECTION FOUR EXERCISES UNIT 4 精加工工藝 SECTION ONE DIALOGUE SECTION TWO READING SECTION THREE GRAMMAR SECTION FOUR EXERCISES UNIT 5 金屬材料的類型 SECTION ONE DIALOGUE SECTION TWO READING SECTION THREE GRAMMAR SECTION FOUR EXERCISES UNIT 6 機器元件 SECTION ONE DIALOGUE SECTION TWO READING SECTION THREE GRAMMAR SECTION FOUR EXERCISES UNIT 7 切螺紋 SECTION ONE DIALOGUE SECTION TWO READING SECTION THREE GRAMMAR SECTION FOUR EXERCISES UNIT 8 金屬加工 SECTION ONE DIALOGUE SECTION TWO READING SECTION THREE GRAMMAR SECTION FOUR EXERCISES UNIT 9 車床 UNIT 10 銑床 UNIT 11 切割工具 UNIT 12 熱處理工藝 UNIT 13 測量 UNIT 14 數(shù)控機床概述 UNIT 15 數(shù)控車床的結構 UNIT 16 數(shù)控車床的操作 各單元練習題（Section Four）答案 參考文獻
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