而er倍bei速su鏈lian條tiao通tong常chang隻zhi有you在zai倍bei速su鏈lian輸shu送song機ji中zhong才cai會hui用yong到dao

，通tong過guo它ta的de增zeng速su功gong能neng，使shi其qi上shang承cheng托tuo貨huo物wu的de工gong裝zhuang板ban快kuai速su運yun行xing，並bing達da到dao指zhi定ding的de位wei置zhi。在zai設she備bei正zheng常chang使shi用yong過guo程cheng中zhong，由you於yu正zheng常chang或huo意yi外wai磨mo損sun倍bei速su鏈lian可ke能neng會hui出chu現xian各ge種zhong異yi常chang現xian象xiang，這zhe時shi候hou必bi須xu立li即ji停ting止zhi使shi用yong
，及ji時shi報bao修xiu
，才cai能neng避bi免mian重zhong大da事shi故gu發fa生sheng。