箭形圈密封 箭形圈密封的英文 英语翻译 seal by arrow-like ring; seal with arrow-rings 拓展翻译 箭形记号broad arrow箭形鹭兰Habenaria sagittifera夹持密封接头grip seal joint夹持型接头密封clamped joint seal角密封corner sealing阶梯式迷宫密封step labyrinth接触密封contact seal接触型密封direct contact seal金属“O”形圈metallic O ring假箭毒硷pseudocurarine箭arrow箭с碗豆akta箭程bowshot箭袋quiver箭毒arrow-poison; curarearrow poison; arrow-poison; curara; curare; ourari; woorali; wurari箭毒苷echugin; echujin箭毒化curarization箭毒假虎刺Carissa schimperi; Ouabaio schimperi箭毒硷curarine箭毒碱curarine