1) advancing distance
推进距
1.
The influence law of advancing distance,mining depth,main roof thickness,hardness and thickness of immediate roof on the advance support stress is analyzed using discrete element numerical simulation software UDEC,the variation law of advance support stress before and after sufficient mining is obtained.
利用离散元数值模拟软件UDEC,主要分析了在工作面充分采动前后工作面推进距、埋深、基本顶厚度以及直接顶厚度和硬度等因素对超前支承应力的影响规律,进而得到了工作面充分采动前后超前支承应力的变化规律,为指导采准巷道布置以及科学支护设计提供了可靠的依据。
2) adjustable pitch propeller
调距推进器
3) variable pitchpropeller
变距推进器
4) propeller pitch
推进器螺距
5) face advanced distance
工作面推进距离
1.
And the curve about the relation between the abutment pressure concentrated coefficient and working face advanced distance is fitted according the simulating results.
采用FLAC-3D软件模拟了在煤层开采过程中采场支承压力的动态变化、依据数值模拟结果,拟合了支承压力集中系数与工作面推进距离的关系曲线。
6) actual forward distance
实际推进距离
补充资料：固液混合火箭推进剂(见火箭推进剂)
固液混合火箭推进剂(见火箭推进剂)
solid-liguid hybrid rocket propellant
guye hunhe huoiian tui)in)i固液混合火箭推进剂(s olid一Iiguid hy-brid rocket proPellant)见火箭推讲齐，}_
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条