... core extruder 挤芯机 core fibre 纱芯纤维 21世纪教育网 core glass 芯玻璃 core grinder 磨芯机 ...
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其中BP-81-16包层玻璃已投入生产，它与F626/356芯玻璃组合拉制的光导纤维性能良好。
The properties of the new optical fibre made of BP-81-16 cladding glass and F626/356 core glass are satisfactory.
研究表明良好的预制棒加工质量可有效改善光纤纤芯与包层的界面状态，并且相对于纤芯玻璃来说，粘度较高的包层玻璃其加工质量对界面缺陷的影响更为显著。
Compared with core glass, the effect of optical processing quality of cladding glass on interface defects was more evident when its viscosity at drawing temperature was higher tha.
玻璃棉和酚醛泡沫夹芯彩钢板比起泡沫，岩棉彩钢板报价略微贵些。
Glass wool and phenolic foam sandwich color steel plate with foam, rock wool color steel price slightly more expensive.
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