counter-rotating wave
反向旋转波
热门单词
- black canker of apple
- black canker
- black chaff of wheat
- black cherry aphid
- black chestnut (马毛色)
- black chaff of rice
- black chaff
- black cherry
- black circuit
- black citrus aphid
- black clipped goathair
- black clay glaze pottery
- black clip
- black cloth
- black content
- black coating
- black cobalt
- black collar axle
- black copper
- black coral
- black core (黑心)
