浮动背衬环 浮头勾圈

floatingheadbackingdevice  detail>>

浮动背衬环

floating head backing device  detail>>

浮头勾圈

floating head backing device  detail>>

勾圈式浮头

floating-head-split-backing-ring type  detail>>

腐背衬环

floating head backing device  detail>>

衬环

backing ring backing tile busbar ring bush ring bushing ring donut fil...  detail>>

浮头

floating head gasping for air surfacing  detail>>

背衬

backing; backlining ◇背衬木 backings  detail>>

孔环浮起

lifted land  detail>>

底衬环

bottom bush main bush  detail>>

浮头；浮盖

floating head  detail>>

浮头盖

floating end cover floating head cover  detail>>

浮头湾

futou wan  detail>>

内浮头

internal floating head  detail>>

69两头勾

ruang talok 69  detail>>

凸接头勾缝

high joint pointing  detail>>

背衬板

backer board backerboard  detail>>

背衬木

backings  detail>>