Care must be taken continually to enable the driving chain to follow the curved and partly broken extension of the conveyor.
要注意不断，使传动链跟随弯曲和部分破碎的延伸输送带。
Care must be taken continually to enable the driving chain to follow the curved and partly broken extension of the conveyor.
要注意不断，使传动链跟随弯曲和部分破碎的延伸输送带。
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