《煤矿安全规程》中规定:掘进机内喷雾装置使用水压不得小于()Mpa。
A、3
B、4
C、5
参考答案:A
His uncle is a worker and has been working in the factory for more than ten years. _____.
A.So is his aunt
B.So has his aunt
C.So his aunt does
D.So it is with his aunt
下胞核圆形或椭圆形,核仁模糊或消失,核染色质较细致,胞质较少,淡蓝色,透明,偶有少许嗜天青颗粒,该特征符合
A.幼稚浆细胞B.早幼粒细胞C.幼稚单核细胞D.晚幼红细胞E.幼稚淋巴细胞