The interior dimensions of brazing valve sockets are machined to the closest tolerances and finished smooth to promote full capillary attraction 铜焊阀门插口的内部尺寸是经过机加工，具有最精确的公差和抛光表面，有助于实现完全的毛细吸力。
2.
The interior dimensions of silver brazing valve sockets are machined to the closest tolerances and finished smooth to promote full capillary attraction 银钎焊的阀门套管的内部直径的机械公差和表面光滑度要求非常精确，以确保有足够的附着力。
