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英德
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百科
backing belt
[机] 后动皮带
backing belt
backing block
backing board
backing burr
backing card
backing cloth
backing coil
backing condenser
backing copy
backing cough
backing deal
backing deals
backing device
backing eccentric rod
backing fabric
backing field
backing film
backing gas
backing groove of weld
backing light
backing line
backing log
backing material
backing memory
backing movement
backing of drift dire...
backing of rafters
backing of smoke
backing of veneer
backing of wall
backing off
backing out
backing pages
backing paper
backing pass
backing pin
backing plank
backing plate
backing power
backing pressure
backing pulley
backing pump
backing register
backing ring
backing roll
backing rudder
backing run
backing run (weld)
backing sand
backing sheet
backing shell
backing shunting
backing side
backing side trap
backing space
backing space technique
backing stage
backing storage
backing store
backing stores
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