Suav lub npe
Kev nyab xeeb yeeb yaj kiab
Lub npe txawv teb chaws
Cov Cwj Pwm Ntawm Kev Ruaj Ntseg Zog
Tsis tawg lossis tawg thaum muaj kev cuam tshuam
Cov khoom
Laminated diaphragm
Cov Lus Qhia Txog Kev Nyab Xeeb Ntawm Kev Ruaj Ntseg
Apr 12, 2018
Koj Tseem Yuav Zoo Li
Xa kev nug