Isbn: 9787517034636 - 供水管道工1 基础知识及常用管材、设备 (村镇供水行业专业技术人员技能培训丛书) (1 risultati)

paperback. Condizione: New. Paperback. Pub Date: 2015-07-01 Pages: 77 Language: Chinese Publisher: China Water Power Press Water Plumber 1: basic knowledge and common pipe. the device is the Rural Water Supply industry professional and technical personnel skills training series in the water plumber series Volume 1. detailed descriptions of the Rural water supply plumber basics and common pipes and equipment. Water Plumber 1: basic knowledge and common pipe. the device is divided into three chapters. including the basics.…