Sealen.西尔
sealn.封条;印章n.海豹v.密封;盖印;明确
sealed knob铅封旋钮
seal sleeve汽封套筒
Seal strips密封条
sealed tube封闭管,密封管
sealing pot隔离液罐,封液包
sealed case密封盒
seal course封闭层,密封层
seal cement固封接合剂
sealed ring密封环
sealing rod止水条