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消防培训
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消防培训
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Geliştirici:
SHENZHEN YUANTAI DIGITAL TECHNOLOGY CO. LTD.
ücretsiz
深圳市建(构)筑物消防员网络理论教学平台,是一个综合了视频教学、在线读书、习题练习、模拟考试的消防员理论在线培训平台。