Niaj hnub no, 5 teev ntawm kev kho kab laug sab nqa undercarriage tau ua tiav tiav. Cov khoom siv hauv qab no yog nrov rau nws qhov me me thiab ruaj khov, thiab nquag siv rau hauv kab laug sab nqa, crane, thiab lwm yam. Tam sim no nws tau siv ntau dua hauv kev tsim kho, kho kom zoo nkauj, kev thauj mus los, kev tshaj tawm ...
Nyeem ntxiv