dropbox是什么意思

网络释义

用法例句

An automatic aluminum stick unloading mechanism consists of five sections:clamp section,lifting and drop section,displacement section,support section and control section.

设计了一种铝棒自动卸料装置,该装置由夹紧部分、升降部分、走位部分、支撑部分和控制部分组成。

The structure design of ZFS3000/21/42 hydraulic lifting platform;

ZFS3000/21/42型液压升降支护平台的结构设计

Emphasis is placed on heating, lifting and positioning control functions of top lance,as well as its safety control strategy.

介绍项目的基本情况和RH精炼装置的系统配置,着重介绍顶枪的加热、升降控制功能、顶枪的定位控制和顶枪安全控制策略,对顶枪的冷却水流量差算法做了较为详尽的讨论,叙述了系统的操作方式和操作方法,同时对系统的使用效果进行了评价。

In this article, the author simply introduces the composition, structural characteristics and project application of JSMJ-1 adhesive lifting scaffolding.

简要介绍JSMJ 1附着升降脚手架的组成、结构特点及其工程应用。