cementer
美 [s?'ment?r]
英 [s?'ment?r] 
英漢解釋
例句
The inner string cementer has been applied over 10 times, and good social and economical benefits have been obtained.
通過10余井次的現場應用,取得了良好的社會效益和經濟效益。
Development and Application of Wellhead Setting Inner Pipe Cementer
井口坐封式內管法注水泥器的研制及應用