短語詞組短語turning -vane steering gear 轉(zhuǎn)翼式液壓操舵裝置Forward turning vane 破風(fēng)板前片pre -turning vane 前導(dǎo)流葉turning vane in corner 拐角導(dǎo)流片turning vane steering gear 轉(zhuǎn)翼式液壓操舵裝置Main turning vane 破風(fēng)板 返回 turning vane