(1) Lub cantilever ntawm folding caj npab tuaj yeem khoov, folded kom txuag tau qhov chaw;
(2) Lub folding caj npab nqa tuaj yeem ntsia tau rau hauv av lossis raug tshem tawm ntawm tus ntoo khaub lig lossis hauv hom txav;
(3) Lub folded caj npab raug tshem tawm tuaj yeem xaiv rau hom hlau lossis I-lo lus steel cantilever;
(4) Lub folding caj npab crane yog yooj yim rau nruab thiab sai.
(1) Lub cantilever ntawm folding caj npab tuaj yeem khoov, folded kom txuag tau qhov chaw;
(2) Lub folding caj npab nqa tuaj yeem ntsia tau rau hauv av lossis raug tshem tawm ntawm tus ntoo khaub lig lossis hauv hom txav;
(3) Lub folded caj npab raug tshem tawm tuaj yeem xaiv rau hom hlau lossis I-lo lus steel cantilever;
(4) Lub folding caj npab crane yog yooj yim rau nruab thiab sai.