The change rule of mechanical property of HTPB composite propellant with test time was studied by humidity test.
通过常温湿度试验，研究了HTPB复合推进剂力学性能随试验时间的变化规律。
Recent developments include a dry to touch water soluble rust preventative that outperforms the traditional products in salt spray and high temperature-high humidity test.
最近开发的新产品包括“快干型”水性防锈剂，相对于传统产品，新产品的优点是：在盐雾测试、高温高湿测试方面有突出的表现。
Recent developments include a dry to touch water soluble rust preventative that outperforms the traditional products in salt spray and high temperature-high humidity test.
最近开发的新产品包括“快干型”水性防锈剂，相对于传统产品，新产品的优点是：在盐雾测试、高温高湿测试方面有突出的表现。
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