underhand stoping

基本解释下向梯段回采

网络释义

1)underhand stoping,下向梯段回采2)bottom stoping,下向梯段回采3)underhand stopping,下向梯段回采4)downward,下向5)down weld,下向焊6)downward welding,下向焊7)downward flow,下向流8)downward drift,下向进路9)bottom-up approach,自下向顶10)down-oriented-tree,下向树

用法和例句

The technological characteristics of upward horizontal cut and fill stoping,mechanized upward drift cut and fill method and mechanized downward drift cut and fill method are introduced and a few points to improve them are put forward.

介绍了焦家金矿先后试验应用的上向水平分层充填采矿法、机械化上向进路分层充填采矿法及机械化下向进路分层充填采矿法的工艺特点,并提出了几点改进意见。

Analysis of heating line weld defects by down weld with fibrin electrode;

供热管道纤维素焊条下向焊焊接技术分析

Introduced here is the advanced flux cored down weld technology.

介绍了药芯焊丝自保护下向焊技术。

Application of technology of metal pipe full-position downward welding in a construction;

金属管道全位置下向焊技术在某工程中的应用

The article analyzed the feature of downward welding technology and the special demand for arc welding machine.

就管道焊接中的高效焊工艺方法———管道下向焊的工艺特点及对弧焊机的特殊要求进行了剖析,介绍了适用该工艺方法的几种品牌焊机,对工程施工单位及焊机制造厂商具有一定参考价值。

It also presents the application of downward welding method and craft in the practice and caution.

对中国第一汽车集团公司供热管网工程进行介绍,对长距离大管径金属管道焊接中的高效焊接工艺方法进行简要综述,介绍了管道下向焊施工方法及工艺在工程实际中的应用及注意事项,对下向焊施工方法及工艺进行了推广。

Experimental study on new downward drift mining technology with backfilling by high water content materials;

下向进路高水充填采矿工艺试验研究

With the media player program as an illustration,a step-by-step,bottom-up approach to singlechip programming was introduced.

文章以单片机音乐播放程序为例,介绍一种以最简化核心程序为起点,逐步增加程序功能与难度的自下向顶单片机编程教学方法,尤其适合于高职高专学生单片机课程设计与毕业设计等编程教学。

This paper presents a kind of down-oriented-tree automata and a kind of directed-cycle automata over finite Boolean ring.

本文研究了有限布尔环上的自动机,首次定出了有限布尔环上的一类下向树和一类有向圈,并证明了布尔环上的一类可逆内动机的图型与其仿射内动机的图型相同。

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