编者按为了便于各地林业主管部门和企事业单位宣贯林业部1997年2月27日颁发的《木材加工安全技术规程》，我刊已在1997年第四期、1998年第。期和第四期上分别介绍了规程的第五至八章；第三章；第一章和第二章。本期刊登的是规程的第四章，至此该规程全部介绍完毕。##D4木材干燥 Editor’s note In order to facilitate the competent forestry departments and enterprises throughout the publicity Ministry of Forestry February 27, 1997 issued a “wood processing safety technical regulations,” I published in 1997 fourth period, 1998. Periods and the fourth were introduced on the rules of the fifth to eighth chapter; Chapter III; Chapter I and Chapter II. This issue is the fourth chapter of the rules, so far the full introduction of the rules is completed. ## D4 Wood drying