This article focused on analysis of the tension screw on the quality of concrete in the shear wall and put forward some specific proposal measures.
本文就重点就对拉螺杆对剪力墙混凝土质量的影响进行分析，提出了几点针对性的建议措施。
This paper introduces two methods of nondestructive testing mechanism for controlling strip shear knife quality in spiral welded pipe.
简述了控制螺旋焊管钢带剪刃质量的两种无损探伤方法的探伤机理。
Moreover, the low molecular weight and higher temperature are favorable to reduce the melt viscosity, to increase the critical shear rate and to improve the apparent quality of extrudates.
较低的分子量和较高的温度有利于提高临界剪切速率，改善挤出物外观质量和降低熔体粘度。
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