Single lip with "V" spring reinforced, suitable for poor roundness and largely swung rotary shaft sealing.
单密封唇V形弹簧加强，适用于转轴圆度不佳或偏摆较大的密封。
The result shows that pneumatic V type draft mechanism is suitable for large draft technology in production, and if weighing roving quantum, yarn quality is better than pressure of spring cradle.
结果表明，气动V形牵伸机构在生产中适合大牵伸工艺，粗纱定量加重，成纱质量较弹簧摇架加压好。
"Keep your heart with all diligence, for out of it spring the issues of life" (v. 23).
“你要保守你心，胜过保守一切，因为一生的果效，是由心发出”(23节)。
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