send by airmail meaning in English

用航空邮寄

And if the copy is required to be sent by airmail
如需将副本以空邮寄出
If the certified copy is required to be sent by airmail , an additional amount equal to the airmail postage at the normal rate will be charged
该核证副本如需以空邮寄出，则须额外缴付相等于正常空邮邮资的费用。
If the certified copy is required to be sent by airmail , an additional amount equal to the airmail postage at the normal rate will be charged
该核证副本如需以空邮寄出，则须额外缴付相等于正常空邮邮资的费用。
However , the seller shall advise the buyer immediately of such occurrence and within 14 days thereafter , the seller shall send by airmail to the buyer for their acceptance a certificate of the accident issued by the competent government authorities at the place where the accident occurs as evidence thereof
但卖方应立即将事故通知买方，并于事故发生十四天内将事故发生地政府主管机关出具的事故证明书用空邮寄交买方为证，并取得买方认可。