水,一氧化碳管道法兰连接垫片为()
参考答案:橡胶石棉垫片
The new type of car is going to ______ in three years. [ ]
A. turn out
B. be turned out
C. has turned out
D. have been turned out
This pen belongs to . is a red one.
A.him, Mine
B.his, My
C.him, My
D.his, Mine