查询词典 kraft paper

The piece goods are to be wrapped in kraft paper, then packed in wooden cases.

在装入木箱以前要用牛皮纸包好。

The piece goods are to be wrapped in kraft paper, then packed in wooden cases.

布匹在装入木箱以前要用牛皮纸包好。英语学习网

The piece goods are to be wrapped in kraft paper, then packed in wooden cases.

布匹在装入木箱以前要用牛皮纸包好。

The piece goods are to be wrapped in kraft paper, then

布匹在装入木箱以前要用牛皮纸包好。

He piece goods are to be wrapped in kraft paper, then packed in wooden cases.

布匹在装入木箱以前要用牛皮纸包好。

The chemical pretreatment of waste kraft sack paper and the technology of high temperature deinking were studied.

对废纸袋纸化学预处理及高温脱墨工艺进行了系统的研究，比较了不同的用碱量、最高温度和保温时间以及不同的脱墨剂的处理效果。

The piece 商务 are to be wrapped in kraft paper, then packed in wooden cases.

布匹在装入木箱以前要用牛皮纸包好。

The piece goods are to be wraed in kraft paper, then packed in wooden cases.

布匹在装入木箱以前要用牛皮纸包好。

The piece goods are to be wrapped in Kraft paper, then packed in wooden cases.

布匹在装入木箱以前要用牛皮纸包好。 copyright 英语阅读网

The piece goods are to be wrapped in kraft paper, and then packed in wooden cases.

布匹在装入木箱以前要用牛皮纸包好。

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。