Pwm mus sib txheeb

Txhua pwm tau raug kuaj rau ntawm tsawg kawg yog 2 teev nyob rau IMM kom paub tseeb tias qhov kev kawm rau loj ntau lawm. Peb yuav coj cov ntawv ntawm cov parameter rau pwm kev nyuaj siab.

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