查询词典 girder

Two astronauts spent six and a half hours unhooking a girder from the International Space Station.

两名宇航员用6个半小时的时间从国际宇宙空间站上摘下一根横梁。

Two astronauts spent six and half hours unhooking a girder from the International Space Station.

2名宇航员花费6个半小时取下国际空间站上的一根梁。

Two astronauts spent six and a half hours unhooking a girder from the International Space Station.

两名宇航员共花六个半小时将一根大梁从国际太空站上取下。

Two astronauts spent six and a half hours unhooking a girder from the International Space Station.

二名宇航员花了六个半小时从国际空间站上卸下一个厚重支架。

Two astronauts spent six and a half hours unhooking a girder from the International Space Station.

两名宇航员花了六个半小时解开国际空间站上地钢架。

Two astronauts spent six and a half hours unhooking a girder from the International Space Station.

两名宇航员花费六个半小时从国际空间站取下一个钢架，为在太空站内移动太阳能塔这一精密工序做好准备。

Two astronauts spent six and a half hours unhooking a girder from the International Space Station. That started the delicate process of moving a giant solar power tower to another part of the orbiting outpost.

两名宇航员用了六个半小时从太空站上取下了一条钢梁，巨大的太阳能电池台转移到轨道前端另一部分的进程就此开始。

Two astronauts spent six and a half hours unhooking a girder from the International Space Station. That started the delicate process of moving a giant solar power tower to another part of the orbiting outpost.

两名宇航员用了六个半小时从太空站上取下了一条钢梁，一个细致的进程——把巨大的太阳能电池台转移到轨道前端另一部分就此开始。

Two astronauts spent six and a half hours unhooking a girder from the International Space Station. That started the delicate process of moving a giant solar power tower to another part of the orbiting outpost.

两名宇航员在没有带绑在国际空间站的钢支架的安全带的情况，历时了6个半小时将巨大的太阳能塔移到了轨道前哨的另一部分，这是一个很难的过程。

Two astronauts spent six and a half hours unhooking a girder from the International Space Station. That started the delicate process of moving a giant solar power tower to another part of the orbiting outpost.

两位宇航员发了六个半小时成功将一跟钢架从国际空间站卸下，随后又小心翼翼的将一个巨大的太阳能塔移动到另一区域的前哨位置。

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。