中文谷YZC造句怎么写
- 造句
- 关注：1.45W次
经过近半年的试用，YZC- 500型制冷压缩机测试系统的主要技术指标达到国内外先进水平。
The YZC-500 system has been running about a half year the fact proved major qualification of this system catched the advanced level of the world.
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