block with single-row core的意思|示意
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具有单行核心的块
block with single-row core的网络常见释义
单排孔砌块 ... 轻骨料混凝土小型空心砌块 light-weight aggregate concrete block 单排孔砌块 block with single-row core 多排孔砌块 block with multi-row cores ...