In a variety of pipe fittings, ass fittings cost performance is second to none.
在各种管件中，铜管件的性能价格比是首屈一指的。
Many pipe fittings on the market prices are not cheaper than the ass fittings, ass is not cost-effective use of it?
市场上的许多管件价格都不比铜管件便宜，使用铜管是不是合算呢？
Using European style hanging pulley and luxury fittings, excellent airproof spacer bar, to make the products more cost-effective and safer.
采用欧式吊挂滑轮及豪华配件，运用优质胶条密封，使产品性价比更高，更安全。
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