它具有特殊的整体结构，由阀座，阀瓣和阀杆总成，以及过滤器网等整合在一个整体中，完全能够进行更换维护。
It has special unitized construction which consists of the seat, disc and stem assembly, and strainer screen all together in one unit for complete replacement maintenance.
此外，客户受益于我们的“总成本”的服务-我们整理从最初的购买到安装和服务总包费用更换在产品生命周期结束。
In addition, customers benefit from our "total cost" service - we've put together from the initial purchase to install and service the total package cost of the replacement of the product life cycle.
此外，客户受益于我们的“总成本”的服务-我们整理从最初的购买到安装和服务总包费用更换在产品生命周期结束。
In addition, customers benefit from our "total cost" service - we've put together from the initial purchase to install and service the total package cost of the replacement of the product life cycle.
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