您要查找的是不是：
- 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；
- Worldwide key market leaders will share sagacious insights on the latest technologies in PCB materials and processing. 主要市场领导者将会就线路板材料及制程的最新技术发表具启发性的演说。
- PCB materials, including flexible PCB, CCL, PI film, negative film and other substrate materials. 印刷电路板材料：软性电路板、铜箔基板、PI薄膜、底片等基材。
- The material is flawed throughout. 这种材料到处是裂缝。
- He insists the condition to use the best material. 他坚持以使用最好的材料为条件。
- That material surpasses all others in fineness. 那种材料精良超过其他所有材料。
- The problem is how we are to get the raw material. 问题是我们怎样得到原材料。
- Jim is going to get material for a new book. 吉姆正打算为一部新书准备材料。
- The storm did a great deal of material damage. 暴风雨造成了大量物质损失。
- Radioactive ray is material thing. 放射线是实际的物质。
- The presentation of the material was untidy. 所提交的资料缺乏条理。
- He covered the cushion with new material. 他给靠垫蒙上了新的料子。
- Is the material single width or double width? 这幅料子是单幅的还是双幅的？
- She's collecting material for a newspaper article. 她正在搜集素材在报纸上发表文章。
- The machine snarled the material up. 机器把材料搅在一起了。
- Made up of loosely cemented heterogeneous material. 成团的由不同特质经松散粘和而成的
- Wong's Kong King PCB Trading Ltd. 王氏港建国际集团有限公司
- This material is impervious to rainwater. 这种材料防雨。
- I have no enough material in hand at present. 目前我手头没有足够的资料。
- INSULATION FULLY CAN BE USED IN PCB. 使用于电路板,绝缘良好。
