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Kweilin Corporation: Lingui Guilin High-tech Industrial Park, south of Hill TEL :0773-5242508 FAX :0773 - 5242306 Marketing Department in Shenzhen: Shenzhen Baoan District 44 HaitaoùCourt 4CTEL :0755-27593956 FAX :0755-27593946 Linkman:íbusiness contact my company's products mainly include conductive button, conductive tape, sealed miscellaneous parts and remote control four major categories.

桂林总公司：桂林市临桂南边山高新技术工业园TEL：0773-5242508 FAX：0773--5242306驻深圳市场部：深圳市宝安四十四区海云轩海涛阁4CTEL：0755-27593956 FAX：0755-27593946联系人：彭秋萍业务联系我公司生产的产品主要包括导电按键、导电胶条、密封杂件和遥控器四大类。

Any hope of this triggering a stunning fightback was quickly ended as Lely scratched into the right side pocket and Belgium, with ball-in-hand, sealed the victory by an 8-2 scoreline.

任何希望，这引发惊人的反击，很快就结束lely抓伤到右边的口袋和比利时，用球在手，密封的胜利，由一个8-2比分。

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。