The structure, operation principle and main technical specifications are presented and the installation and adjustment of SPMV are explained in this paper.
本文介绍了该阀的结构、工作原理及主要技术指标，并就该阀的安装与调试做了说明。
The structure, operation principle and main technical specifications are presented and the installation and adjustment of SPMV are explained in this paper.
本文介绍了该阀的结构、工作原理及主要技术指标，并就该阀的安装与调试做了说明。
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