The preparation method is simple, has small equipment tonnage required, short demoulding time and low cost, and has no strict requirement on the die.
本发明制备方法简单、所需设备吨位小、脱模时间短、对模具没有严格要求及成本低廉。
This means that as long as increase in size and precision, larger tonnage of forming equipment, very expensive and high precision dies would be required.
随着锻件尺寸和精度的提高，需要更大吨位的成形设备和非常昂贵的、高精度的模具。
Tugboat operation is the important part of the service system of the port, the rational marshalling of equipment directly affects the number and tonnage of the vessels arrived at the port.
港口拖轮作业是港口服务系统的重要组成部分，拖轮的合理配置直接影响着到港船舶的数量和吨位。
The utility model relates to a machinery processing equipment, relating to a following retrograded material device of a nc revolving tower type punch with large tonnage.
本实用新型属于机械加工设备，涉及一种大吨位数控转塔冲床的跟随退料装置。
The hauling system is adopted in accordance with the results of the study. Critical equipment, such as the large tonnage winch and passive unreeling machine, are manufactured.
通过研究，采用了双线往复门架式牵引系统，自主研制了能实现均衡放索的大吨位主牵引卷扬机、被动放索机构等关键机具。
This new method made it true to use light tonnage equipment to forge the half spherical steel shell with small metal allowance and variable sections.
从而可实现采用小吨位设备，制造出加工余量少的变截面带双法兰钢半球壳锻件。
By analysing imported equipment and the features of the project, and combining the modularized design, a special hydraulic assembly platform for large-tonnage ships was developed.
通过对国外进口设备及项目自身特性和组成的分析研究，结合模块化的设计思想，研制出大吨位船舶制造专用液压安装平台。
The hose and joints, large-tonnage precision by special equipment, to ensure stable burke connection without shedding.
软管与接头采用大吨位，等精度专用设备进行扣压连接，确保连接稳固无脱落。
The hose and joints, large-tonnage precision by special equipment, to ensure stable burke connection without shedding.
软管与接头采用大吨位，等精度专用设备进行扣压连接，确保连接稳固无脱落。
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