等径直角弯头采用()法比较简便。
参考答案:平行线
(2009福建泉州毕业模拟) --Where have you been?
--I in the heavy traffic. Otherwise I here earlier.
A.got stuck; would have come
B.got stuck; was
C.have got stuck; would have come
D.had got stuck; would come
开箱包检查要认真仔细,特别要注意重点部位和箱包的(),并注意发现有无夹层
A.底部
B.角部
C.外侧小兜
D.内部物品