plastic impregnated element 浸渍塑料的过滤元件
impregnated with plastic 塑料灌注的
plastic impregnated
塑料浸渍
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The DC test, which is an effective means for the diagnostics of oil impregnated paper insulated cable, is still used even now, but it is ineffective and harmful for the plastic insulated cable.
直流电压试验作为一种对油浸纸绝缘电缆非常有效的方法应用至今，但它对塑料绝缘电缆是无效而且有害的。
youdao
应用推荐
模块上移
模块下移
不移动