牵引疗法
参考答案:
是应用力学原理中作用外力(手法,器械或电动牵引装置)对身体某一部位或关节施加牵拉力,使其发生一定的分离,周围软组织得到适当的牵伸,从而达到治疗目的的一种方法。
My grandfather is over seventy years old, he is very well because he always____.
A.drinks tea
B.sleeps late
C.plays computer games
D.takes exercises
射孔完井法的优点?