Chinese translation for "coal sample for back-check"

存查样

Similar Words：

"coal sample as fired" Chinese translation, "coal sample as received" Chinese translation, "coal sample crash" Chinese translation, "coal sample crusher" Chinese translation, "coal sample division" Chinese translation, "coal sample for checking production" Chinese translation, "coal sample for laboratory" Chinese translation, "coal sample mixing" Chinese translation, "coal sample number" Chinese translation, "coal sample of analysis" Chinese translation