谢谢贵公司5月20日特别订货要求的来函。
Thank you for your letter of 20 May concerning your specialrequest.
磁保持继电器是有极性区分的，如果用户需要的极性与本资料不符，应在订货时特别提出。
Magnetic latching relay is polar differentiation, and if the user needs to polarity and the data is inconsistent, should be in order when the special offers.
这是本公司首次订货，请特别注意装运。
As this is our initial order, please pay your special attention to the shipment.
应用推荐