【电学】硬磁性材料【电学】原材料，硬磁的

source material

raw material

electrostrictive, material insulator from electrostrictive material

magnetic separator with the material carrier in the form of trays

web-roll core with arrangement for securing the ends of filamentary material

polyether rubber impression material

moulding clay or other ceramic compositions or cementitious material by TAMPING

input material