英语翻译Early manufactures of engines,because of lack of koowledge and equipment in casting techniques,were only able to produce an engine assembly having separate cylinder castings,all mounted upon crankcase.While this method is still used for s

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英语翻译Early manufactures of engines,because of lack of koowledge and equipment in casting techniques,were only able to produce an engine assembly having separate cylinder castings,all mounted upon crankcase.While this method is still used for s

英语翻译Early manufactures of engines,because of lack of koowledge and equipment in casting techniques,were only able to produce an engine assembly having separate cylinder castings,all mounted upon crankcase.While this method is still used for s
英语翻译
Early manufactures of engines,because of lack of koowledge and equipment in casting techniques,were only able to produce an engine assembly having separate cylinder castings,all mounted upon crankcase.While this method is still used for some air-cooled engines,it is not really practical for a liquid-cooled engine.However,as manufacturing techniques have improved,the while construction[cylinder block and crankcase]is produced in one assembly.Cylinder block for modern liquid-cooled engines are cast as single units.求大神们准确的帮我翻译,要准确啊

英语翻译Early manufactures of engines,because of lack of koowledge and equipment in casting techniques,were only able to produce an engine assembly having separate cylinder castings,all mounted upon crankcase.While this method is still used for s
早期制造的发动机,因为缺乏koowledge和设备在铸造技术,只能够产生一个发动机装配有单独的汽缸铸件,都装在曲轴箱.虽然这种方法仍用于一些气冷引擎,它不是真的适合一个水冷发动机.然而,随着生产技术的提高,而建设[缸体和曲轴箱]是一个集合中产生.气缸体为现代水冷发动机视为单个单位.

早期生产的发动机,因为缺乏知识和设备的铸造技术,只能生产发动机装配有不同的汽缸铸件,所有安装在曲轴箱上。虽然这种方法仍然是用于一些空冷引擎,它不是真正的实际用于液冷式发动机。然而,随着生产技术的改进,该而建设[缸体和曲轴箱]产生一个组件。缸体铸造现代水冷发动机单台。...

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早期生产的发动机,因为缺乏知识和设备的铸造技术,只能生产发动机装配有不同的汽缸铸件,所有安装在曲轴箱上。虽然这种方法仍然是用于一些空冷引擎,它不是真正的实际用于液冷式发动机。然而,随着生产技术的改进,该而建设[缸体和曲轴箱]产生一个组件。缸体铸造现代水冷发动机单台。

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