street elbow

短语

[机] 鸳鸯弯管

词形变化

street elbows 复数 street elbows

释义与例句

n.
  1. 1.

    In plumbing, a fitting that turns a corner (typically at an angle of 90, 45 or 22.5 degrees) and has a male connection at one end and a female connection at the other.