steam piston-rod stuffing box gland的意思|示意
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蒸汽活塞杆填料箱压盖
steam piston-rod stuffing box gland的网络常见释义
蒸汽活塞杆填料函压盖 蒸汽活塞杆填料函衬套 steam piston-rod stuffing box bushing 蒸汽活塞杆填料函压盖 steam piston-rod stuffing box gland 蒸汽活塞杆填料函压盖衬套 steam piston-rod stuffing box gland lining ..