Regarded as the study of the method of structure design for hydraulic support, and as a computer assistant design system, it has certain referable value.
作为液压支架设计方法的研究和计算机辅助设计系统，具有一定的参考和借鉴价值。
This article analyzes the common failures of thermo-forming, filling and sealing machine and introduces the knowledge of the maintenance. It will be of referable value to the users of the machine.
对热成型充填封口机的常见故障进行了分析，并介绍了维护和保养方面的知识，对于使用该类机器的用户具有一定的参考价值。
It has referable and applicable value for heat metering and collecting fee of household heating.
本文对分户共暖热计量收费具有一定的参考和应用价值。
It has referable and applicable value for heat metering and collecting fee of household heating.
本文对分户共暖热计量收费具有一定的参考和应用价值。
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