Isbn: 9787111043140 - 电梯的使用与维修【正版图书，放心下单】 (1 resultados)

paperback. Condición: New. Language:Chinese.Pages Number: 155 Publisher: Machinery Industry Press. Pub. Date :2005-01. This book introduces the construction of the elevator performance; elevator maintenance and safe use of knowledge. including the various components of the elevator inspection. maintenance and repair. and electrical wiring works. the general failure and exclusion; also a brief introduction to the principles of AC variable speed elevators. maintenance and repair knowledge. For lift drivers. maintenance. …