oilpaper umbrella是什么意思

用法例句

Paraffin wax often separated out from system and contaminated the equipment in the production of greaseproof papers, which shortened the running time of the equipment and lowered the paper quality.

研制了专用洗涤剂,解决了防油纸在生产过程中出现的石蜡污垢析出,导致生产设备使用周期缩短,产品质量下降等问题。

An experimental investigation on a solid in high voltage cable s oil-paper insulation produced under electric field;

电场作用下高压电缆油纸绝缘中产生固体物的实验研究

It is significant to study properties and mechanisms of oil-paper insulation through accelerated aging in lab and experiences in field.

通过实验室加速老化试验并结合现场实际,对油纸绝缘的老化特性和机理进行研究,从而为变压器绝缘状态评估和寿命预测提供依据和参考。

This paper studied the space charge characteristics of oil-paper insulation materials by the Pulsed Electro-Acoustic(PEA) method.

为探讨高压直流设备绝缘的最主要问题—空间电荷效应,应用电声脉冲法(PEA)对油纸绝缘材料的空间电荷特性进行了研究。