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- propellant grain core 推进剂药柱形芯
- FONG C W and MOY B K. Ballistic criteria for propellant grain fractur e[J]. J Ballistics 1982,6: 1410. 黄洪勇;王泽山.;两种工艺制造的低温感包覆火药性能的比较研究[J]
- Herb Chelner,Jim Buswell,Dan evans.Embedded sensors for monitoring solid propellant grain. 余宏发.;光纤传感器在固体发动机测试中的应用
- The insulation layer, artificial debond layer and propellant grain in solid rocket motor chamber (SRM) are all polymer composite systems. 固体火箭发动机燃烧室内绝热层、人工脱黏层及推进剂药柱,均为高分子材料复合体系。
- The crystallization of RDX from a tubular composite modified double-base propellant grain has been investigated with a scanning electron microscope. 用扫描电子显微镜研究了含RDX的管型改性双基推进剂的晶析情况。
- After having solved the aging problems of beams,the long term ag-ing effect of a solid propellent grain is also analyzed as an example. 在对梁的受拉伸与自重情形下的老化作了分析后，举例分析了真实固体火箭发动机药柱的长期老化效应。
- The burning rates of the propellants grain coated by silicon rubber at the pressure range from 30 to 80 MPa were measured by the Crawford test. 指出选择传热系数小、黏接可靠的包覆材料是保障高压高燃速火药测试准确性的关键技术。
- The hard core in the party make all the decisions. 这个党的核心成员决定一切。
- The grain crop has gone down this year. 今年的粮食作物产量下降了。
- Development of dampproof coating applied to composite soild propellant grain 复合固体丁羟推进剂药柱表面防湿涂层研制
- This concept is at the very core of her theory. 这个概念是她理论的核心。
- The company is an international trader in grain. 这家公司是国际粮食贸易公司。
- He was a military man to the core. 他是个地地道道的军人。
- Let's get to the core of the argument. 咱们进入实质性的辩论吧。
- The core of our appeal is freedom of speech. 我们的要求的核心是言论自由。
- Their speculative buying of grain is illegal. 他们投机购买谷物是不合法的。
- Bad luck goes against the grain. 厄运总是令人讨厌的。
- The earth has a core and a mantle around it. 地球的中心是地核，地核的周围是地幔。
- Stores of grain are frequently attacked by pests. 储存的谷物经常受到害虫的破坏。
- Our grain output will be3.7 times that of1960. 我们的粮食产量将是1960年的3。7倍。
