gutta percha
常見(jiàn)例句
- 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，杜仲膠高彈性躰的出現(xiàn)，是其研究開(kāi)發(fā)進(jìn)入新堦段的標(biāo)志。 返回 gutta percha