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[期刊论文] 作者：WANG Jian-wei,LIU Xiang-lei,,
来源：Computer Aided Drafting,Design and Manufacturing 年份：2015
The instability of borehole wall is always a difficult question in drilling borehole progress.It increases the cost of production and prolongs production cycle....
[期刊论文] 作者：Zhe Feng,Zi-Ming Liu,Xiang-Lei,
来源：世界临床病例杂志 年份：2020
Achalasia is a type of esophageal motility disorder,consisting of relaxation dysfunction of the lower esophagus and disturbed esophageal peristalsis.Related cli...
[期刊论文] 作者：LIU Xiang-Lei,LIN Jun,HU Hai-Feng,ZHOU Bin,ZHU Bao-Quan,
来源：中国天然药物 年份：2016
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