Dab tsi yog Gantry Crane Vs Jib Crane?

Lub gantry crane yog siv rau qhov hnyav hnyav uas yuav tsum tau txav mus rau qhov chaw deb. Lawv feem ntau xav tau hauv cov chaw tsim khoom, cov chaw tsim hluav taws xob, chaw nres nkoj, thiab cov chaw ua haujlwm zoo sib xws. Jib cranes feem ntau yog siv rau qhov hnyav me me mus rau qhov luv luv. Lawv haum rau cov chaw ua haujlwm nruj.