Puas yog lub lag luam hlau txias thiab qhov rov qab "tuag tawm"?Niaj hnub no, kev lag luam steel feem ntau ruaj khov, nrog cov lag luam me me nce me ntsis, thiab cov lag luam ib leeg xws li xov, kub coils, thiab cov phaj nruab nrab uas qhia nqaim qis, thiab tus nqi nruab nrab ntawm lub ntiajteb txawj nqus yog sli ...
Nyeem ntxiv