液化气管道因腐蚀穿孔产生泄漏且空洞周围的管壁减薄、强度较低时,可采取()措施堵漏。
A、木塞堵漏
B、堵漏栓
C、环箍堵漏
D、注胶
参考答案:C
I will always remember _____ to the star’s concert and what I experienced there.
A.taking
B.being taken
C.to take
D.to be taken
颞骨纵型骨折占颞骨骨折的()
A.5%~10%
B.10%~20%
C.30%~40%
D.50%~60%
E.70%~80%