During the global economic slowdown, many countries have sought to block exports to save domestic industries.
在全球经济下滑之际，许多国家通过实施限制进口以保护国内产业。
In addition, other countries are watching closely to see if the crisis becomes a general excuse for the United States to block imports and favor domestic firms.
此外，其他国家也紧紧盯住美国是否将这场危机作为借口来限制进口，照顾国内企业。
The fixed dummy block for extruding aluminium materials developed by USSR, USA and Japan are reviewed. The domestic fixed dummy block are introduced.
对前苏联、美国和日本铝挤压工业开发的固定挤压垫装置进行了评述；介绍了国内研发的铝挤压用固定挤压垫装置。
The structure and feature of large-scale cooling block were introduced and application status in domestic and abroad was generalized.
本文对大型冷却模块的结构和特点进行了介绍，并总结了目前该项技术在国内外的应用状况。
ZW serial self-priming and non-block sewage pump is a new structure product which is developed on base of reaping study of domestic and foreign similar technology.
ZW系列自吸式无堵塞排污泵是在反复研究国内外同类技术的基础上开发成功的一种结构新颖的产品。
Introduce the development trend, production technique and domestic market demand of PP block copolymer.
介绍国外PP嵌段共聚物的开发动向，生产技术及国内市场需求。
Repair all kinds of imports, domestic engine block. Welcome!
修补各种进口，国产发动机缸体。
Therefore, domestic and foreign USES it to make the cylinder block, the piston, the crank, the gear and the bed piece and so on easy wearing parts.
因此，国内外都用它来制造气缸体、活塞、曲轴、齿轮及机床床身等易磨损零件。
Therefore, domestic and foreign USES it to make the cylinder block, the piston, the crank, the gear and the bed piece and so on easy wearing parts.
因此，国内外都用它来制造气缸体、活塞、曲轴、齿轮及机床床身等易磨损零件。
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