• Maybe it was one of the high boron efficiency mechanisms.

    可能就是高效生理机制之一

    youdao

  • Physicochemical properties and combustion mechanism of boron are introduced. Long ignition delay time and low combustion efficiency are due to the properties of boron itself.

    介绍了物理化学特性燃烧机理,硼的点火延迟、燃烧效率其本身特性所决定的。

    youdao

  • Using fine diameter boron, coating boron and adding other ingredient into the boron based fuel rich propellants can increase employed efficiency of boron.

    在含推进剂使用粒径的硼,对硼进行包覆添加其它组分提高硼在推进剂中的利用效率

    youdao

  • To raise the polishing efficiency of Cubic boron nitride (CBN) superhard material, crank rocker arm mechanism has been developed by using Computer Simulation Technology.

    为了提高立方氮化硼超硬材料抛光效率采用计算机仿真技术开发了曲柄摇杆抛光机构

    youdao

  • To raise the polishing efficiency of Cubic boron nitride (CBN) superhard material, crank rocker arm mechanism has been developed by using Computer Simulation Technology.

    为了提高立方氮化硼超硬材料抛光效率采用计算机仿真技术开发了曲柄摇杆抛光机构

    youdao

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