All Bradford White commercial electric water heaters are listed by Underwriters Laboratories and bear the UL label.
所有美国百来福商用电热水器均通过美国UL安全认证，具有美国UL认证标志。
All Bradford White commercial electric water heaters are listed by Underwriters Laboratories and bear the UL label.
所有美国百来福商用电热水器均通过美国UL安全认证，具有美国UL认证标志。
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