五输穴中的荥穴为()
A.京骨
B.飞扬
C.申脉
D.足通谷
参考答案:D
62. Instead of answering, she merely smiled. Which of the following can best explain the meaning of the underlined word?
A.only
B.barely
C.almost
D.Scarcely
其他条件不改变,只增加焊件的刚度,焊后焊件()。
A、变形大
B、应力大
C、应力小