“管接头”的拼音？

所列出的弯管接头是你们所生产的唯一的装置 吗 ?Are the flex connectors listed the only units you manufacturer?如有必要,拆卸轴管和轴管接头间的密封件.Remove sealer from axle tube to housing junction, if necessary.首先从阀芯上拆卸管接头螺母和端口连接件.Remove the union nuts and end ...

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