衬胶法兰结合面连接螺栓扭力应一致,衬胶压缩量为()。
A、0.5~1mm
B、1~2mm
C、2~3mm
D、2~4mm
参考答案:C
句型转换
1. They spent three years building the bridge.(改为同义句)
It ______ ______ three years ______ _______ the bridge.
2. Lucy can't speak Chinese or French.(改为同义句)
Lucy can speak ____ Chinese ____ French.
3. They have never been to Shanghai, _____ ______? (完成反意疑问句)
4. Both Tom and Bob want to have a big one.(改为否定句)
____ Tom ____ Bob ____ to have a big one.
5. Let us go to school together, _____ _____? (完成反意疑问句)
肾盂肾炎属于哪一种性质的疾病()
A.出血性疾病
B.过敏性疾病
C.感染炎症
D.浆液性炎症
E.特异性炎症