盆腔结缔组织炎是指()
A.子宫及输卵管的炎症
B.膀胱旁、子宫旁、直肠旁的结缔组织炎症
C.盆腔、腹膜的炎症
D.输卵管卵巢周围炎
E.盆腔腹膜及输卵管卵巢周围炎症
参考答案:B
His lecture was so long and ________ that many people felt ________ and left before it ended.[ ]
A.boring; boring
B.bored; bored
C.boring; bored
D.bored; boring
在铣床上安装麻花钻可按莫氏锥度()
A.直接安装在铣床主轴锥孔内
B.通过莫氏变径套安装载铣床主轴上
C.通过铣床专用的变径套安装