The material of journal bearing is syntheticglass.
实验中轴承材料为有机玻璃。
2
Compared to the hard glass replacing the syntheticglass or rigid glass can also lower the frequency of monitoring but the impact of the material ageing shall be taken into consideration.
相对与硬质玻璃，更换有机玻璃或硬质塑料也可以降低监控频率，但需考虑材质老化带来的影响。
3
Environmental protection dust removal equipment is a synthetic material, natural fiber or glass fiber woven cloth or felt.