From the experimental studies the character of lightweight steel concrete composite beams and bonding behavior between the steel and concrete of beams with different cross sections are observed.
通过试验研究，初步了解了轻钢-混凝土组合梁的特点和各种截面的粘结性能。
Effects of bonding agent BS, cross-linking agent JC, curing agent, binder molecular weight and functionality on mechanical properties of the propellants were studied.
研究了键合剂BS、交联剂JC、固化剂、粘合剂分子量和官能度等因素对推进剂力学性能的影响。
Effects of bonding agent BS, cross-linking agent JC, curing agent, binder molecular weight and functionality on mechanical properties of the propellants were studied.
研究了键合剂BS、交联剂JC、固化剂、粘合剂分子量和官能度等因素对推进剂力学性能的影响。
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