... British Standard Whitworth Thread (BSW) 英制螺丝(粗牙) helix spindle 锅杆 hose clip 水喉箍 ...
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短语
锅炉锚杆
BOILER ANCHOR BOLT
栏杆的锅炉电梯和
Railing of boiler elevator well
栏杆的锅炉电梯井
Railing of boiler elevator well
锅筒吊杆销轴
Pin for Hanger Rod of Drum
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