Meanwhile, the difference in thermal conductivity of underlining materials (plastic sheet, steel sheet and aluminium plate) has little effect on the etching rate.
研究还发现，不同垫层（塑料片、钢片和铝板）导热性能对刻蚀速率影响很小。
2
The major element that affects the electric conductivity of defected carbon fiber is the area of insulation sheet, by contrast, its position and number have little influence.
绝缘片的面积大小是影响有缺陷碳纤维混凝土导电性能的最主要因素，绝缘片的位置和数量对其影响较小。
3
The effects of thermal conductivity of insulated panel and heat values of heating sheet on the thermal insulation performance of the ingot head were discussed.