Furthermore, through market investigation, the paper analyzes and compares several Testing Devices for Tower Grounding Resistance.
同时，文章通过市场调研，分析比较了市场上出现的几类杆塔接地电阻测试装置。
Over the years, our products through the market testing, has been recognized by our customers.
多年来，我们的产品通过市场的检验，已经得到了广大客户的认可。
According to regulations, these products must go through FDA testing to prove safety before they are allowed on the market.
根据规定，上述产品必须经过FDA检验证明安全后，方可在市场上销售。
According to regulations, these products must go through FDA testing to prove safety before they are allowed on the market.
根据规定，上述产品必须经过FDA检验证明安全后，方可在市场上销售。
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