The end surface of spiral channel is sealed by welding, therefore the sealing performance is good with reliable structure.
螺旋通道的端面是焊接密封的，密封性能好，结构可靠。
2
End use fluorine rubber sealing strip.
体端使用氟橡胶密封条。
3
The Chelsea manager Jose Mourinho is adamant that the Portugal midfielder Maniche has nothing to prove after sealing a loan move to the Premiership champions until the end of the season.