This permits fouled valve replacement with a new body cartridge, which will fit the old union nuts. No change in piping length is required.
这使得人们可以用新的阀腔更换肮脏的阀门,新旧管接螺母能够互相配合,不需要改变管道长度。
This permits fouled valve replacement with a new body cartridge, which will fit the old union nuts. No change in piping length is required.
这使得人们可以用新的阀腔更换肮脏的阀门,新旧管接螺母能够互相配合,不需要改变管道长度。
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