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