Sphered seating washer的意思|示意
美 / /
英 / /
球形阀座垫圈
Sphered seating washer的网络常见释义
坐垫圈 ...ng washer with sphered seating surface 调心座圈 Sphered seating washer 坐垫圈 jessie923：正好派上用场了，感谢 ..