Chinese translation for "primary retirn air"

一次回风

Similar Words：

"primary retinal dystrophy" Chinese translation, "primary retinal periphlebitis" Chinese translation, "primary retinal perivasculitis" Chinese translation, "primary retinitis" Chinese translation, "primary retinitis pigmentosa" Chinese translation, "primary retroperitoneal tumor" Chinese translation, "primary retroperitoneal tumors" Chinese translation, "primary return air" Chinese translation, "primary return code" Chinese translation, "primary reward" Chinese translation