Endomethasone根管充填糊剂
Endomethasone permanent root filling sealer
半自动硬胶囊充填机
semi-automatic hard gelatin capsule filling machine
被砾石与地层砂混合物充填的射孔孔道
gravelsand filled perforation tunnel
泵后加砂砾石充填
gravel injection down-stream of the pump
壁后充填
Backfilling
Filled with substance behind support