adjustable multi-spindle bench drilling machines【机】
可变电阻
adjustable resistance【电】;rheostat【电】;variable resistance【电】
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相关词条
commutator machine having adjustable armature
frame, adjustable
lock with adjustable locking bolts
adjustable pulley
undercarriage, adjustable in height
resistive element, moving resistor, electric, adjustable
jet nozzle, adjustable