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前言八十年代开始,我国的造船工业迈出了新的一步,从过去单纯建造国内船只,逐步走向建造出口船舶。迄今为止,中国船舶工业总公司承接的出口船舶总订单,已逾100万吨。造出口船,需按国外船级社的规范来建造,这对国内厂来说是有史以来第一次,碰到了许多新情况、新问题。尤其是焊接,它是船体建造中的关键工艺之一(就工作量而言,焊接工时约占船体建造总工时的三分之一),其质量好坏,直接关系
Preface In the 1980s, China’s shipbuilding industry took a new step. From the past, it simply built domestic vessels and gradually started to build export ships. So far, China Shipping Industry Corporation to undertake the total orders for export ships, has more than 1 million tons. It is the first time for a domestic plant to build a port vessel according to the rules of an overseas classification society and has encountered many new situations and new problems. In particular, welding is one of the key processes in hull construction (about one-third of the total man-hours worked in terms of workload), and is of good or no concern to the quality of the hull