Through the simulation of different metal connecting forms and different environment medium in practical construction, long-term observation of corrosion phenomena and degree has been done.
模拟实际工程中不同金属连接形式和不同的环境介质，对其进行腐蚀现象和腐蚀程度的长期观察，得到各种工况腐蚀程度图。
Strong hydrate group which connecting to polysaccharide can enhance the degree of salt tolerance of thickeners.
所接入的离子若是强水化基团，增稠剂的耐盐性将会增强。
The bolt connecting pair is processed in factories, so the industrialization degree is high and the quality is more guaranteed.
由于螺栓连接副在工厂加工，故工业化程度高，质量更有保证。
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