短語(yǔ)詞組短語(yǔ)unprotected vertical opening 不加保護(hù)的垂直開(kāi)口unprotected verticl opening 不加保護(hù)的鉛直開(kāi)口unprotected ? vertical opening 不加保護(hù)的垂直開(kāi)口unprotected E vertical opening 不加保護(hù)的垂直開(kāi)口 返回 unprotected opening