Compensate rau cov yeeb nkab misalignment
Absorb compression thiab extension
Txaus siab loads
Txo suab nrov
Tshem tawm kev vibration
Neutralize axial, lateral, angular stresses
Ntev lub neej ntawm cov khoom siv txhawb nqa
Tiv thaiv kom tsis txhob muaj kev puas tsuaj rau cov yeeb nkab-ua haujlwm lossis ducting system
Txo kev ntxhov siab ntawm cov khoom siv flanges
Kho rau seismic txav
