压铆
参考答案:指采用冲床或油压机把压铆螺母、压铆螺钉或压铆螺母柱等紧固件牢固地压接在工件上的工艺过程。
I should say sorry to you but I ____trouble.
A.did not mean causing
B.did not mean to cause
C.meant causing
D.meant to cause
纳呆腹痛,下利清谷多见于()
A.脾气虚证
B.脾阳虚证
C.脾不统血证
D.脾气下陷证
E.寒湿困脾证