The blade according to claim 1 wherein the at least one part of the at least one SPAR bar which is housed in said shell is surrounded by a film of polyetherimide resin.
刀片根据权利要求1，其中至少有一部份的至少有一石酒吧是住在说，壳牌是包围电影聚醚酰亚胺树脂。
The viscosity and gel time of resin system of modified bismaleimide(BMI) resin with rigid polyetherimide(PEI) and the mechanical properties of PEI/BMI/RS/ glass composite materials were studied.
研究了刚性聚醚酰亚胺（PEI）改性双马来酰亚胺（BMI）树脂体系粘度特性和凝胶特性，以及PEI/BMI/RS/玻纤复合材料的力学性能。
The results show that polyetherimide can not only toughen this resin system, but improve the dielectric performance.
研究表明，聚醚酰亚胺在改善氰酸酯树脂体系韧性的同时，也提高了树脂体系的介电性能。
The results show that polyetherimide can not only toughen this resin system, but improve the dielectric performance.
研究表明，聚醚酰亚胺在改善氰酸酯树脂体系韧性的同时，也提高了树脂体系的介电性能。
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