| |||
tighthead | |||
seal cover | |||
air tight cover | |||
closure cap; stop end | |||
sealing cap | |||
air-tight cover; joint cap; sealed cap; sealed cover; sealing cover | |||
gland | |||
gland bonnet; sealing gland | |||
| |||
giand bonnet | |||
| |||
gland bonnet | |||
| |||
lead cover | |||
| |||
gland bonnet | |||
| |||
sealing gland |
密封盖: 76 phrases in 20 subjects |