Warning: file_put_contents(/www/wwwroot/zidian/02956.cn/cache/bd983497a87974036097c17cd13facf9.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/02956.cn/index.php on line 58 gutta percha例句_gutta percha英汉例句_gutta percha双解例句_花灯集英语字典
It points out that the birth of Gutta-Percha rubber with high elasticity is a sign that the research-development of Gutta-Percha has entered into a new stage. 指出，杜仲胶高弹性体的出现，是其研究开发进入新阶段的标志。