Drainage pump work (1 Ergebnisse)

paperback. Zustand: New. Language:Chinese.Pages Number: 160 Publisher: China Labor and Social Security Publishing House Pub . Date :2008-01. Introduction This book includes laws and regulations. common sense. basic knowledge of mine safety. the basics of drainage pump work. the safe operation of pumps. drainage analysis. accident cases. work is mine drainage pump review materials. but also mining enterprises for the professional and technical personnel and managers information and use. Written by Hunan Vocational Col.…