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Eliminate potential accidents and build up a solid line of safety defense

来源:中国地质工程集团有限公司斯里兰卡分公司  时间:2020-06-07 【字号:

"Eliminate potential accidents and build up a solid line of safety defense",  NRW project managed to carry out “Safe Production Month” campaign on June 2020

作者:Wang Hao, Liu Laifu
摄影:
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