道口距道岔、桥隧应有()的安全距离。
参考答案:不小于100m
The ______ Method uses translation and grammar study as the main teaching and learning activities.
腹痛,喜温喜按,手足厥冷,脉微欲厥者,宜选用何方()
A.附子粳米汤
B.乌头桂枝汤
C.通脉四逆汤
D.桂枝加黄芪汤
E.暖肝煎