常見例句雙語例句All interior fastening devices shall be concealed and corrosion resistant.所有的內(nèi)部連接裝置都需隱藏佈置和抗腐蝕。All interior fastening devices shall be concealed and corrosion resistant. There shall be no exposed screws.所有的內(nèi)部連接裝置都需隱藏佈置和抗腐蝕。沒有外露的螺釘。 返回 concealed fastening