常見(jiàn)例句雙語(yǔ)例句A plurality of helical blades are arranged on the outer surface of the cylinder-shaped cyclone cover.所述旋風(fēng)蓋為圓筒狀，外表面設(shè)置有螺旋葉片。ip.comTechnologically, the prick resisting tyre features that a thin-wall metal cylinder is installed at the largest diameter part between the inner tube and the outer cover.本發(fā)明是防刺輪胎，屬于一種輪胎，主要技術(shù)特征為：在輪胎的內(nèi)胎最大直徑處的面上與外胎之間，安裝一個(gè)金屬的圓柱形薄壁圓筒。ip.com 返回 outer cylinder cover