短語詞組短語main hull girder 主船體桁Ship hull girder Strength 船舶總強度calculation of hull girder 船梁計算書hull girder shear strength 船體梁剪切強度hull girder stress 船體桁應(yīng)力ship hull girder 船體梁Hull girder collapse 船體支架破壞basic hull girder 基本船體梁ultimate strength of hull girder 船體梁極限強度 返回 hull girder