ISBN: 9787511466969 - 【官方正版】液化天然气操作工（中级）薛文河王小尚吴斌主编 中级液化天然气操作工职业技能鉴定试题集 中国石化出版社 (1 Ergebnisse)

paperback. Zustand: New. Language:Chinese.Paperback.Pub Date:2022-06-01 Pages:328 Publisher:Sinopec Publishing House LNG Operator (Intermediate) is one of the Vocational Skills Appraisal Test Questions (Selected). organized and compiled by Sinopec Natural Gas Branch . Guided by occupational activities and centered on occupational skills. the book formulates corresponding national occupational skill standards. focusing on the advanced and universality of the content. The content includes national occupational standard.…