形鐵心 rectangular core: 矩形鐵心rectangular concrete type: 矩形混凝土式rectangular type checker work: 矩形磚格rectangular type fraction collector: 正交分次收集器core type: 內(nèi)繩式; 鐵心式; 芯式下載手機詞典可隨時隨地查詞查翻譯