Abrotocrinus
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Abrotocrinus is an extinct genus of crinoids.
This genus is known in the fossil records of the Carboniferous period of United States and Canada(age range: 353.8 to 345.0 million years ago).
Abrotocrinus
英语百科
- ASHRAE
- ASHRAE,Ashrae
- Ashraf
- Ashrafi
- Ashrafieh
- ashrafiehs
- Ashrafis
- ashrafs
- Ashrama
- Ashramas
- ashramite
- ashram
- ash rate
- ashrawi
- ASHREA
- ash recirculation
- a shredder
- ash reduction of wheat
- Ashreigney
- ash removal
- ash removal, clinker removal
- ash removal crane
- ash removal efficiency
- ash removal from ash pit
- ash removal from raw coal