1) first weighting
初次来压
1.
Study on load transmitting factor of thick sandy soil on key roof stratum during first weighting in shallow seam;
浅埋采场初次来压顶板砂土层载荷传递研究
2.
The first weighting of the main roof is the very fierce ground behaviour.
老顶初次来压是一种十分剧烈的矿山压力显现现象,多数情况下,工作面来压最猛烈、最难控制的是老顶的初次来压。
3.
Combined with the geological conditions,theoritical prediction of first caving distance,first weighting in old roof and circular weighting distance are made,which is coincided with mining practice and effectively supply a guidence for the mining in 88101 face of Kangjiatan mine.
结合康家滩矿 8号煤层 8810 1工作面地质采矿条件 ,进行了直接顶初次垮落步距、老顶初次来压步距和周期来压步距的理论预测 ,与实际开采实践基本吻合 ,有效地指导了康家滩矿首采 8810 1工作面的初采实
2) initial pressure
初次来压
1.
With the study on the moving law of the surrounding rocks in the seam mining processing of the fully mechanized coal mining face in 4-2 seam of Fengshuigou Mine,the paper understood the initial pressure and the periodical pressure distance of the 4-2 seam roof pressure,the support strength of the hydraulic supports in the coal mining face,the stress variation and stress a.
综采工作面矿压显现规律对矿山生产实践具有深刻的指导意义,文章通过对石场煤矿4-2煤层综采工作面围岩在煤层开采过程中的移动规律进行研究,掌握了4-2煤层顶板初次来压和周期来压步距、工作面支架支护强度、围岩破坏活动过程煤壁中应力变化大小和应力影响范围。
4) originally
[英][ə'rɪdʒənəli] [美][ə'rɪdʒənḷɪ]
原来，最初
5) primary voltage
一次电压，原边电压，初级电压
6) primary pressure
初压
1.
It is pointed out that the optimal primary pressure is the key to the operational modes.
通过系统分析,探讨火电机组运行方式的内在含义,指出最优初压是讨论运行方式的核心,并通过实例分析,给出了N300-16。
补充资料：初次
1.第一次。
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