More reasonable joint mode, leading flow structure, guiding structure, resist bend and limited location structure make sure the whole system on the safe side.
连接方式、导流结构、导向结构、抗弯及限位结构更趋合理，安全可靠，安装、维护方便。
More reasonable joint mode, leading flow structure, guiding structure, resist bend and limited location structure make sure the whole system on the safe side.
连接方式、导流结构、导向结构、抗弯及限位结构更趋合理，安全可靠，安装、维护方便。
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