Chinese enterprises have solid strength and rich experience in infrastructure construction, while the central and east European countries have big markets.
中国企业在基础设施建设方面有较强实力和丰富经验，中东欧国家有广阔市场，双方合作大有可为。
The product proved to have higher solid content and more obvious effect for paper strength.
所合成的产品固含量高， 增强效果明显。
Heat treatment methods, such as solid solution and quenching, have greatly enhanced its mechanical strength, which also leave a large internal residual stress in it.
固溶、淬火等热处理手段极大地提高了其机械强度，但同时使其内部产生了较大的残余应力。
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