内外丝活接弯头 meaning in English
malleable cast iron pipe fittings--type size--union elbows, male and female union elbows
malleable cast iron pipe fittings-type size-union elbows male and female union elbows
malleable cast iron pipe fittings--type size--union elbows, male and female union elbows
malleable cast iron pipe fittings-type size-union elbows male and female union elbows