()指钢筋焊接前两个钢筋端部从电极钳口伸出的长度。
A.调伸长度
B.烧化留量
C.预锻留量
D.预热留量
参考答案:A
The Sinai Peninsula , which was returned to Egypt in 1982 ,is .
A.as three times large as Israel
B.three times large than Israel
C.three times Israel’s size
D.the size of Israel’s three times
下列哪种囊肿囊壁中含有皮肤附件结构的囊肿()
A.皮脂腺囊肿
B.皮样囊肿
C.角化囊肿
D.始基囊肿
E.鳃裂囊肿