常見(jiàn)例句雙語(yǔ)例句This paper introduces construction technology of spray polyurea elastomer used in Beijing Shooting Range CTF.介紹了奧運(yùn)射擊中心飛碟靶場(chǎng)看臺(tái)屋面防水耐磨工程采用噴涂聚脲彈性體的施工工藝。 返回 beijing shooting range ctf