石油上面常说的net/gross是什么意思（Jonah Field:Case Study of a Tight-Gas

英语翻译The stator frame consists of a gas tight cylindrical cas “a case study on”与“a case study of”的区别? wholesale net to retail gross field of specialization是什么意思 field of endeavor是什么意思 Minus Gross 20%/Net 15% of LME fixed on the date of contract a case of mistaken identity是什么意思 specific field （what is your specific field of study ） GROSS是什么意思 "net of current commitments"是什么意思? 英语翻译1.inv.cert.of origin and b/l must indicate gross and net a field trip是什么意思