permanent delay的相关资料：
临近单词
permanent ink
permanent
permanent magnet-type synchronous motor
Permanent magnetic synchronous generators
permanent stainless steel cathode process
permanent magnet moving-iron instrument
Permanent magnet biased magnetic bearings
permanent-magnet dynamic loud-speaker
permanent magnet moving-coil instrument
Permanent Mailing Address of Organization
Permanent magnetic stepper spherical motor
Permanent middle cerebral artery occlusion
