添加适量的扩孔剂也能一定程度地提高孔容.Addition of appropriate amount of pore - expanding agents could increase the pore volume.管道的选择, 测量, 切割, 扩孔和刻螺纹; 安装喷嘴以支撑管道系统.Select, measure, cut, ream and thread pipe, install sprinkler heads and moun...
Eva : I got it after defecting to the Soviet Union.我投靠苏联之后受的伤.Snake : Why think of defecting?为什么不考虑投敌 呢 ?The Tumen has been used for years by North Korean refugees defecting across the border.多年以来,北朝鲜难民一直通过图们江偷越边境....