【问】我是一个木工,对松木中的一些种类识别不清。希望贵刊能介绍一下各种松木特征、主要产地和区别方法。(湖北省天门县朱荣)【答】常见的松木有以下几种:1.红松:红松的特征是边心材区分显明,边材量黄褐色,心材呈肉红色,时间一久发黄红色,横切面上早材到晚材渐变,树脂道多而鲜明,为乳白色小点或油点,树脂味浓,节子呈深红褐色,木材轻软。 [Q] I am a carpenter, and some types of pine wood are not clearly identified. We hope that your publication will introduce various pine features, main origins, and methods of differentiation. (Zhurong, Tianmen County, Hubei Province) [Answer] Common pine species include the following types: 1. Pinus koraiensis: The characteristic of Pinus koraiensis is the distinguishing between heartwood and sapwood. The sapwood volume is tan. The heartwood is flesh-red. The time is yellowish red. On the cross-section, the early wood to the late wood are gradually grading, and the resin paths are numerous and distinct. They are milky white dots or oil spots, the resin is rich in flavor, the knots are dark red brown, and the wood is light and soft.