Kub Muag Quay Portal choj Crane yog xeev-ntawm-tus-kos duab, yig thiab hloov tau tuav tshuab ntawm ntsia. ...
Ib Leeg Jib Portal crane yog cov khoom siv txuas ntxiv rau cov khoom thauj khoom (thee, ore, thiab lwm yam khoom thauj khoom thiab thauj khoom zoo li nkoj kho....
Pedestal crane yog ib hom ntawm jib crane txhawb nqa rau hauv av taug kev lossis lub hauv paus los ntawm kev txhawb nqa ob txhais ceg. ...