/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: hmtchemist https://cdn.slidesharecdn.com/profile-photo-hmtchemist-48x48.jpg?cb=1606222513 Nh狸n l畉�i qu叩 kh畛� h畛�i h畉�n bao tr湛m. H動畛�ng v畛� t動董ng lai m但y m畛� gi��ng l畛�i.