通过室内模拟试验和现场取样测试的方式，对比研究应力腐蚀条件下影响锚杆使用寿命的因素。
The influencing factors on the durableness of anchor with stress corrosion by the way of simulation in laboratory and site sampling are studied.
本公司可根据使用要求和现场条件，设计适合客户需求的产品。
The Company may use requirements and field conditions, is designed to accommodate customer demand.
研究表明：护耳器现场使用实际声衰减值低于实验室值，其原因是护耳器的实验室测量条件较为严格。
The real decibel attenuation of the hearing protector in the workplace is lower than the value measured in the laboratory, because the measuring conditions in the laboratory are more strict.
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