颅腔的代偿容积为（） ["＜5%","＞20％","8％～10%","10％～20％","2％～11％"]
下述哪项不是脑膜瘤放疗的适应证（） ["大脑凸面脑膜瘤simpsonI级切除","恶性脑膜瘤切除后","未能全切的肿瘤","手术困难的复发脑膜瘤","无法手术切除的脑膜瘤"]
下列正确的是（） ["单囊型成釉细胞瘤多发生于牙龈或牙槽黏膜内","棘皮瘤型成釉细胞瘤是成釉细胞瘤的基本类型","丛状型成釉细胞瘤内的囊腔是上皮内囊性变","滤泡型成釉细胞瘤的上皮岛类似成釉器结构","周边型成釉细胞瘤多侵犯骨"]
当温度为（）以下时，严禁摔撞和重压硬质聚氯乙烯制品。 ["10℃","5℃","0℃","15℃"]
聚乙烯储存期限从生产日期不得超过（）年。 ["4","3","2","1"]
运输成本
