贝特(女子名, Elizabeth 的昵称,亦作 Betta, Betty)
网络 英国教育技术展; 英国教育技术博览会; Birmingham Eye Trauma Terminology
Having excellent cold resistance, it enjoys bett tightness in wide temperature range, besides, it has good ozone resistance weather resistance and aging resistance.
耐寒性能优异,在较宽的温度范围内均能发挥良好的密封性能,耐臭氧性能好,耐侯性与耐老化性能优异。