防范: be on guard; keep watch; keep a lookout 短语和例子防范措施 countermeasures; 严加防范 take strict precautions against; 防范坏人破坏捣乱 be on guard against bad elements making trouble and engaging in sabotage
The wireless intellectual security and alarm system of chuanggao brand has tested and accredited by the quality supervision and test center of chinese ministry of public security for safety alarm system products 创高牌无线智能安全防盗报警器已通过中国公安部安全防范报警系统产品质量监督检验测试中心检验合格。