• 基本释义

1.DUCTIBILITY STUDY OF GFRP WOUND BAR FOR CONCRETE STRUCTURE PART Ⅱ MECHANICAL ANALYSIS
混凝土结构用纤维增强塑料筋的力学性能:Ⅱ理论分析收藏指正
2.Gaskets regularly furnished in Class 150 and 300 Wedgeplug valves are corrugated soft iron of excellent strength and ductibility. Classes 600 - 1500 are ring-joint type.
压力等级为150和300的楔形塞阀门通常配置的垫圈是波纹状软铁，具有优异的强度和延展性。压力等级600-1500则采用环连接类型。收藏指正
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