一、前言在毛主席无产阶级革命路线指引下,批林批孔运动普及、深入、持久地向前发展。全国革命、生产形势一派大好。我国社会主义革命和社会主义建设呈现出一片欣欣向荣的景象。焊接技术也随之迅速发展。金红石是制造电焊条不可缺少的涂料。由于焊接技术的发展,对于金红石的需要量也日益增多。但我国天然金红石贮量很少,多年来需要进口,花费大量外汇。我国工人 I. Foreword Guided by Chairman Mao’s proletarian revolutionary line, the campaign to popularize Lin and Pidai has been popularized in an in-depth and sustained manner. National revolution, the production situation is fantastic. Our socialist revolution and socialist construction have shown a thriving scene. Welding technology also will be rapid development. Rutile is indispensable for the manufacture of welding electrodes. As the welding technology, the demand for rutile is also increasing. However, China’s natural reserves of rutile seldom, need to import over the years, spend a lot of foreign exchange. Chinese workers