But PF resin has got several defects either, such as high cost, long curing time, dark glueline color, easy to crack in glueline and so on.
英
美
- 但酚醛树脂胶也存在着成本高,固化时间长,胶层颜色深,胶层易龟裂等突出缺点。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries