This is the engine cover design, board stamping dies used in pulling one engineering service modules.
本文设计的是汽车发动机罩外板冲压模具第一工程所使用的拉延模。
ERC undertakes engineering research, engineering service engineering education three missions which are connected each other.
工程研究中心肩负着工程研究、工程服务、工程教育三个互相有机联系的任务。
Pnata ltd. is a construction materials company, which includes new product development, manufacture, sale and engineering service.
璞耐特公司是集研发、生产、销售与工程服务一体化专业性的建材公司。
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