“静脉石”的形成是静脉内的血栓发生了()
A.机化
B.钙化
C.包裹
D.脱落
E.吸收
参考答案:B
— Could you tell me Zhang Daqian Museum ?
—The day after tomorrow, I think.
A. when will you visit B. when you will visit
C. when you would visit
底板防护所用的枪叫()。
A.挤胶枪
B.喷胶枪
C.静电喷枪
D.压胶枪