permanent earth的相關(guān)資料：
臨近單詞
permanent bar
permanent
Permanent and transitory driving force
permanent magnet synchronization motor
permanent-magnetic synchronous motor
Permanent Automatic Ground Environment
permanent magnetism synchronous motors
permanent-magnet dynamic loudspeaker
Permanent Magnetic Synchronous Machine
permanent artificial standard solution
permanent magnet flux-switching motor
permanent-magnet linear servo systems
