该包装法常用的气体是氮气 、 二氧化碳和氨气.The wrapper method commonly used gas is nitrogen, dioxide and ammonia.生命生产出甲烷 、 氨气 、 氧气 、 氢气 、 二氧化碳以及其他气体.Life generates methane, ammonia, oxygen, hydrogen, carbon dioxide, and many other gases.树木能...
She is the town clerk and a certified public accountant and notary public.她身兼城镇文书、执业会计师和公证人数职。They include notaries, assistant notaries, and other people working for notary offices.包括公证员 、 助理公证员和在公证员和在公证处工作的其他人员.That not...