专为升降人员和物料的罐笼，每层内1次能容纳的人数应明确规定，并在井口公布。
参考答案：对
腹腔镜+活性
A．渗出型B．粘连型C．干酪型D．可确定结核性腹膜炎E．对确诊结核性腹膜炎有参考价值
The gravity on the earth is much ______ that on the moon, do you know why?
A．as strong as
B．strong than
C．so strong than
D．stronger than
