seal packing collar的意思|示意
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密封填料环
seal packing collar的网络常见释义
密封圈 ... recirculation pump seal packing 再循环泵密封垫 seal packing collar 密封圈 high pressure seal packing 高压轴封迫紧 ...
seal packing collar相关例句
The import silica gel material seal packing collar, bears the aging not to distort, the life is long.
进口硅胶材料密封圈，耐老化不变形，寿命长。