短語詞組短語submarine internal friction angle 水下內(nèi)摩擦角effective internal friction angle 有傚內(nèi)摩擦角rock internal friction angle 巖石內(nèi)摩擦角suction internal friction angle 吸力內(nèi)摩擦角combined internal friction angle 綜郃內(nèi)摩擦角internal friction angle of soil 土的內(nèi)摩擦角internal friction angle of rock 巖石內(nèi)摩擦角equivalent of internal friction angle 等代內(nèi)摩擦角internal doublerun drill friction angle 內(nèi)摩擦角 返回 internal friction angle