[Analysis of two accidents of working in pile wells].
Wang
Xiao-Lin
XL
Wang
Chui-Zhang
CZ
Yu
Kai-Jiang
KJ
Zheng
Zhao
Z
D000062:Accidents, Occupational / Q000517:prevention & control*; D002245:Carbon Dioxide / Q000506:poisoning*; D005160:Facility Design and Construction; D006801:Humans
D002245:Carbon Dioxide