查询词典 pit

Where abundant capital is available, the preferred method is open-pit mining.

在资金充足的时候，人们总是优先使用露天开采的方法。

The stability of open-pit slope affects the equipments and man in normal mine production.

露天矿边坡稳定与否直接影响到矿山的正常生产设备、人员的安全及矿山的经济效益。

Deep rock slope of open-pit is rock excavation engineering at present.

岩石深凹边坡工程是人类进行的最大的岩石开挖工程。

Where abundant capital is available, the preferred method is open-pit mining .

资金充足的情况下，露天开采往往是采矿公司的首选。

Blasting earthquake effect on slope stability of open-pit is an extremely obvious and complicated problem.

爆破地震效应对露天矿边坡稳定性影响是一个极其明显和复杂的问题。

Fuxin Haizhou open-pit mining has caused massive destruction of land, especially on soil and vegetation damage.

阜新市海州露天矿的开采已造成了大规模的土地破坏，特别是对土壤和植被的破坏。

The iron ore used to make steel comes from open-pit and underground mines.

译：炼钢用的铁矿石来自露天开采的矿山和地下矿井。

The entire resource can be open-pit mined as all the resources detailed are calculated above the 120 metre level.

整个资源可露天开采的资源详细计算所有120米以上的水平。

haizhou open-pit mine is china's largest opencast coal mine.

小 海州露天矿是我国最大的露天煤矿。

This paper sets up the membership functionof the effect on blasting shaking to open-pit slope stability.

本文运用模糊测度理论，建立了爆破震动对露天矿边坡稳定性影响的隶属函数。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。