关于遗传性红细胞增多症，切脾的适应症除外
A．贫血B．黄疸C．脾肿大不严重D．伴下肢溃疡E．小于4岁
参考答案：E
Only after you take part in the College Entrance Examination , ____ that twelve years’ hard work is worthwhile.
A can you realize B you can realize C could you realize D you could realize
退火酸洗线脱脂段漂洗采用三段级联式漂洗，为2段喷淋和1段（）。
