短語(yǔ)詞組短語(yǔ)cross -beam temperature measuring 十字測(cè)溫movable cross -beam 移動(dòng)橫梁prestressed concrete cross -beam 預(yù)應(yīng)力井式梁virtual cross -beam method 虛擬交叉梁法laser cross -beam velocimeter 交叉激光束速度計(jì)uniform cross -section beam 等截麪粱 返回 cross-beam