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During a sample testing, it was found that the product had poor insulation. 抽验时，发现该产品绝缘性能差。
A defect in a circuit or wiring caused by imperfect connections, poor insulation, grounding, or shorting. 电路故障由于电线交叉、接地、断路或绝缘失效而造成的电路故障点
A defect in a circuit or wiring caused by imperfect connections,poor insulation,grounding,or shorting. 电路故障由于电线交叉、接地、断路或绝缘失效而造成的电路故障点
Optimising a process can provide a cleaner, cheaper and more efficient process. For example an inefficient boiler may waste, much heat, due to poor insulation. 最优化为的是获得一个更洁净、更经济和更高效的过程。例如，一个效率不高的锅炉，绝热不良会浪费很多热量。
Some areas have fallen into disrepair because of the emergence of roofing leakage, poor insulation effect, the overall outlook dilapidated condition, situation. 还有一些小区则因为年久失修，出现了屋面渗漏、隔热效果差、整体面貌破败不堪等状况。
With this technique, thedownhole load can be supplied with the maximum power at a constant surface voltage, and also the effects of poor insulation of downhole load circuit can be greatlyreduced. 采用该技术能使井下负载在地面供电电压不变的条件下获得最大的功率并且能大大减弱井下负载电路绝缘性能不良的影响。
Most printed CIRCUIT board materials are very GOOD insulators, but they are not perfect, and inadequately cleaned PCB material may be quite a poor insulator. 绝大多数的PCB板材都是性能优良的绝缘体，但是它们也有弱点：首先，如果PCB板（表面）不够清洁，其绝缘性能将大大降低；
Cork is often used for insulation. 栓皮经常用作绝缘材料。
As a work of art it is very poor. 作为艺术品这是十分拙劣的。
The poor chap gets terrifically het up. 这个可怜的人气得要命。
Foam rubber provides good insulation. 泡沫橡胶隔绝性能良好。
Mr.Black bowed out of politics due to poor health. 布莱克先生由于健康不佳而退出政治生涯。
The poor old man shuffled off in his worn shoes. 这位可怜的老人穿希破烂不堪的鞋子一步一拖地走。
Poor Lionel went to pieces after his wife died. 可怜的莱昂内尔在妻子死后垮了下来。
The poor old man has come down to the bedrock. 那可怜的老人只剩下最后一块钱了。
His latest effort is a poor excuse for a novel. 他最近的作品只是一部劣质的小说。
I thought his jokes were in very poor taste. 我认为他讲的笑话太粗俗了。
His concern for the poor is only a pose. 他对穷人的关心只不过是做做样子罢了。
Poor girl, I feel for you, toothache is painful. 可怜的姑娘，我都替你难受，牙痛真够呛。
The poor old man died of starvation. 那个可怜的老人被饿死了。