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对于水泥砂浆等恶劣工作环境,应用本设计之系统结构能稳定可靠地工作,密封严实,同时可使密封装置简化、维护方便。
For harsh working environments such as cement mortar, the system structure of the present design can work stably and reliably with a tight seal, meanwhile, the sealing device can be simplified and the maintenance is convenient.