单词wingnut
na.: 【机】蝶形螺母网络: 胡桃;蝶窦;温纽特
枫杨
翼状螺帽
翼形螺母
Tree Growth Pattern and Variation in Wood Properties of Chinese Wingnut for Pulpwood and Its Utilization Evaluation
枫杨生长规律、材性变异及其纸浆用材适用性评价