查询词典 vacuum sweeper

ABSTRACT In this thesis, the field emission of metals and silicon and micro vacuum devices are characterized.

本文主要研究了金属和硅材料的场发射特性及真空微器件。

The field emission characteristics of the samples were measured in vacuum chamber at a pressure of 10–6Pa.

场发射是在压强为106Pa的真空室进行测量的。

Then it was already 1 p.m. and he hurried to make the beds, do the laundry, vacuum, dust, and sweep and mop the kitchen floor..

然后时间已经下午一点钟了，他赶快把棉被折好、洗衣服、吸地板、扫地板、擦厨房地板。。。

Vacuum or dust mop to take out loose dirt or grit.

购币真空或灰尘污垢或松散沙砾。

By then it was already 1:00 pm, so he hurried to make the beds, do the laundry, vacuum, dust, and sweep and mop the kitchen floor.

这时候已经是下午一点钟，他赶紧收拾房间，洗衣，吸尘，拖厨房的地板。

And he hurried to make the beds, do the laundry, vacuum, dust, and sweep and mop the kitchen floor..

然后时间已经下午一点钟了，他赶快把棉被折好、洗衣服、吸地板、扫地板、擦厨

Then it was already 1p.m. and he hurried to make the beds, do the laundry,vacuum, dust, and sweep and mop the kitchen floor.. Ran to the school to pick up the kids and got into an argument with them on the way home.

然后时间已经下午一点钟了，他赶快把棉被折好、洗衣服、吸地板、扫地板、擦厨房地板EEE冲到学校去接小孩然后一路上和小孩大小声。

Cleaning Equipment Series: floor cleaning machine; polishing machine; Stone refurbished machine; vacuum suction machine; portable polishing machine; three-speed fan; clean cars; room service vehicles; pressing water; Hand Dryer; cleaning supplies Series: Titanium, stainless steel cup smoke; mats; elevator pad; mop; dust pushed; Blade; push of water; Tu traps; glass blowing; telescopic rod; notice boards; safety rope; belts; hanging plate; self-locking device; large Volume carton; towel carton; automatic fragrance machine; soap dispenser; watering can; sprayer; mobile cleaning basket; scouring pad; non-slip mats; wear-resistant floor mats; Polaroid U.S.

洗地机；抛光机；石材翻新机；吸尘吸水机；手提抛光机；三速风机；清洁车；客房服务车；榨水车；干手器；钛金、不锈钢烟盅；地垫；电梯垫；地拖；尘推；铲刀；推水器；涂水器；玻璃刮；伸缩杆；告示牌；安全绳；安全带；吊板；自锁器；大卷纸盒；擦手纸盒；自动飘香机；皂液器；喷壶；喷雾器；手提清洁篮；百洁垫；防滑地垫；耐磨地垫；宝丽美地垫；电梯地垫

The beam propagation is improved by vacuum the downstream of the beam drift tube, and the beam can transport over 60cm.

虚火花电子束，电子束的直径小，方向性好，适合用于小型化自由电子激光器。

Every unoptimised bend in a vacuum cleaner increases noise levels and lowers performance," said Electrolux."

吸尘器中每一个未经优化处理的弯管都会增加噪音程度和降低效果。

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。