侧梁、端梁、枕梁、横梁、斜撑梁翼板横裂纹长度大于翼板宽的50%但未延及腹板时补()补强板。
参考答案:平形
They made up their mind that they______ a new house once Larry changed jobs.
A.bought
B.would buy
C.have bought
D.had bought
据报载,阿根廷科技人员发明了一项果蔬脱水新方法--升华脱水法.其原理很简单:先将水果蔬菜冷冻后,放进低压的环境中,使冰直接从固态变为______态.