needle valve for ball pump
needle valve for ball pump 球针 pump [英][pʌmp][美][pʌmp] n.泵; 打气筒; 轻软舞鞋; 轻便帆布鞋（英式英语）; vt.
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needle valve for ball pump
球泵用针阀
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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In addition, it should be considered for cutlery, needle valves, ball check valves, valve seats, pump parts, ball studs, bushings, and wear-resistant textile components.
首选应用是轴承结构，包括滚珠和轴套。还有，它也能用来做刀具、针形阀、球型止回阀、阀门基座、泵零件、球头螺栓、轴套、抗磨损纺织机械。
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