以下是针对机械工程在美国收入和各个行业在美国收入的介绍：
机械工程专业类职业及其收入
空调系统设计师HVAC Design Engineer $64,700
机械工程师Mechanical Engineer $71,800
空调系统机械工程师HVAC Mechanical Engineer $77,300
机械设计师Mechanical Design Engineer $67,400
空调系统工程师HVAC Systems Engineer $73,600
汽车制造工程师Automotive Engineer $76,400
机械工程经理Mechanical Engineering Manager $106,000
能源工程师Energy Engineer $85,300
产品设计工程师Product Design Engineer $70,100
机械设计师Mechanical Designer $54,000
应用工程师Applications Engineer $71,900
产品开发工程师Product Development Engineer $82,700
项目工程师Project Engineer $81,300
制造工程师Manufacturing Engineer $73,000
研究开发工程师Research and Development Engineer $78,000
工程项目经理Project Manager, Engineering $93,600
现场销售工程师Field Sales Engineer $87,400
测试工程师Test Engineer $71,300
工业质量保证工程师Industrial Quality Assurance (QA) Engineer $66,600
技术销售工程师Technical Sales Engineer $87,800
以上是针对机械工程在美国收入和各个行业的收入的介绍，希望对同学们有一定的帮助，让同学们更详细的了解。