automatic coupler造句
例句与造句
- Abstract : the design purpose , requirements , process and relevant test for the automatic couplers on general - purpose freight cars of uic and osjd are described in detail . the z - ak couplers which have passed various tests are possible to be produced in batch process
文摘:详细介绍了uic和osjd通用货车自动车钩的设计目的、要求、过程以及相关试验，通过各种试验的z - ak车钩有望批量生产。 - It's difficult to find automatic coupler in a sentence. 用automatic coupler造句挺难的