choker check valve
相关英语词汇推荐
- knitted fishing net
- wool-mohair-silk mixed fabric
- demodulator of frequency shift signal
- Brick model
- collar
- rotary press
- hardbake
- boring hose
- eupolyphaga sinensis
- circular auto-control heating oven
- pin disk mill
- modular single point annunciator
- round can end curler
- wing float
- travelling microscope
- picture oscillating transformer
- neocupferron
- coaling crane
- marsh mallow chocolate
- pig leather for making gloves