A visit to YSP is an exploration of art and landscape for everyone.
对于每个游览约克郡雕塑公园的人来说，这是一次艺术和美丽风景的探险。
This paper introduces the structure, composition, working principle and design character of automatical welding device of YSP 15 liquidized petroleum bottle valve base.
介绍了YSP -15型钢瓶瓶阀座自动焊接装置的结构、组成、工作原理及设计的主要特点。
This paper introduces the structure, composition, working principle and design character of automatical welding device of YSP 15 liquidized petroleum bottle valve base.
介绍了YSP -15型钢瓶瓶阀座自动焊接装置的结构、组成、工作原理及设计的主要特点。
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