Counterweight Block
-
Of elevator Counterweight nrog ntau yam ntaub ntawv
Lub elevator counterweight yog muab tso rau hauv nruab nrab ntawm lub elevator counterweight thav duab los kho qhov hnyav ntawm lub txee, uas tuaj yeem nce lossis txo. Cov duab ntawm lub elevator counterweight yog cuboid. Tom qab lub counterweight hlau thaiv yog muab tso rau hauv lub counterweight thav duab, nws yuav tsum tau nias nruj nreem nrog lub phaj siab los tiv thaiv lub elevator los ntawm kev txav thiab ua suab nrov thaum ua haujlwm.