结构简单、装拆方便，成本较低，使用安全可靠。软填料常制成圆形、长形、长方形、楔形、三角形、锥套形等多种形状。
n. wadding
misc. soft packing
轴封根据情况有机械密封和软填料密封两种结构。
Depending on the situation of the shaft sealing with mechanical seal and soft packing seal two structures.
轴封可采用软填料密封，也可采用机械密封， 装拆方便；
Shaft seal can use soft packing seal, also can use of mechanical seal, raplace singly;
患高弓足的人，应穿大点的鞋，并垫些软填料以缓冲对脚的冲击。
Those with high arches should look for roomy shoes and softer padding to absorb the shock.
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