查询词典 thumped

The baggage thumped on to the floor.

行李砰地一声掉在地板上。

He thumped out a tune on the old piano .

他在那架旧钢琴上奏出了一首响亮的曲子。

He thumped out a tune ie played it on the piano .

他用力在钢琴上弹奏一支曲子。

My forehead was damp and my heart thumped heavily.

我的前额湿漉漉的，心头怦怦得直跳。

She was returning: of course my heart thumped with impatience against the iron rails I leant upon.

是她回来了。当然，我那颗倚在铁栏杆上的心急不可耐地跳动着。

I thumped my head against the steering wheel, trying to distract myself from the sharper pain.

我将头用力砸在方向盘上，想要分神不再想那剧烈的疼痛。

My brother thumped on the piano.

我弟弟重重地敲击钢琴。

Jun thumped her close to drooling brother on the head.

六月重打了她的结束到流口水在头上的兄弟。

He thumped ut a tune on the piano .

他用力在钢琴上弹奏一支曲子。

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。