Pre-aging

pre-aging treatment

Pre-pre-S sequence

Automatic Pre-warning Information System Pre-warni

pre-storage and pre-discharge

pre-stress pre-strain

pre-stress(pre-strain)

aging mechanisms of aging

(+)Testing device for heat lock-on pre

(pre)cover

(pre)envelope

’Pre’ technique

120 pre-hospital

135kA pre-baked anode reduction cell

150kA pre-baked anode cell arranged in double rows and end by end

200 kA pre-baked pot

300kA pre-baked cell

3-D pre-stack depth migration

3D pre-stack depth migration