测试/校准证书或报告签字,盖章有何要求?
参考答案:
测试、校准证书或报告须经测试人或校准人,审核人,批准人签字,并加盖实验室测试或校准专用章,一般不采用实验室公章。
--- Did you go to her birthday party held the day before yesterday?
--- I ____, but something unexpected happened at my home.
A.intended
B.had intended to
C.had intended to go
D.intended to go
什么叫校正弯曲?