Wang hui luo yan jun (1 resultados)

paperback. Condición: New. Language:Chinese.Paperback. Pub Date: 2025-12 Pages: 280 Publisher: China Machine Press This book is written based on elevator maintenance theory. combined with safe operating procedures and operator knowledge outlines. and according to the current characteristics of elevator equipment operation. The book is divided into ten chapters: Chapter 1: Basic Elevator Mechanical Knowledge; Chapter 2: Basic Elevator Electrical Knowledge; Chapter 3: Commonly Used Instruments and Meters; Chapter 4: Elev.…