inspection and maintenance openings
inspection after construction 成品检验竣工后的入级检验 inspection and maintenance openings 检查维修孔 inspection and maintenance 检查和维修 ..
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可通用的耐磨衬板，可翻转的搅拌叶片。注水喷嘴分布在环形水管上，检查孔方便检查和维修。
Interchangeable wear resistance linings, Reversible mixing blades, Water distribution ring with spray nozzles, Inspection covers for easy cleaning and maintenance.
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