tube grain

Pollen grain germination and tube growth were investigated in intergeneric crosses between Brassica species and O.

本文对诸葛菜和芸苔属属间杂交的花粉粒萌发和花粉管生长情况进行了研究.

网络文摘精选

the paper gives the grain design analysis of the solid rocket motor for patriot pac-3 missile. the advantages of a slotted tube grain are analyzed.

对“爱国者PAC3”型低空拦截导弹主发动机的装药药型进行了反设计，分析计算了开槽管形装药药型的优点。

互联网摘选

The internal ballistics and the throttling performance of 85% H2O2-PE hybrid rocket motor loaded with tube grain are studied. The hot firing data of two test motors have been carefully analyzed.

研究了管型药柱的85%H2O2-PE固液火箭发动机的内弹道性能和节流特性，分析了两台发动机的试验结果。

互联网摘选

Grain filter available at the tail of dip tube.

吸管尾部有网塞,可以防止颗粒物体进入.

互联网摘选