问答题

隧道工程中常将人工修筑的隧道支护结构称为 ( )

答案：衬砌

你可能感兴趣的试题

单项选择题

病人动脉血pH 7.32，SB 18mmol/L，PaCO2 34 mmHg（4.53 kPa）时，其酸碱平衡紊乱的类型是
A、代谢性酸中毒
B、代谢性碱中毒
C、呼吸性酸中毒
D、呼吸性碱中毒
E、呼吸性酸中毒合并代谢性酸中毒

单项选择题

Sometimes the student may be asked to write about his ________ to a certain book or article that has some bearing on the subject being studied.

A．reaction
B．comment
C．impression
D．comprehension 