Place the house sponge on the cinder block and place the brick with the carpenter's sponge sand paper and duct tape on top of the sponge.

将家用海绵放在空心渣煤砖上(作桌子用)，上面依次放置砖头、木匠用海绵、砂纸和胶带在海绵之上。

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The paper analyzes the design optimization of core box using coated sand in Z8040 hot box core shoot machine to make the cylinder block cores and sprue cores.

分析Z8040射芯机用覆膜砂热芯盒法制作气缸体前后端面芯及其浇口砂芯优化设计方案。

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This paper the cause of the scab of the inside surface of cylinder block on condition that the resin sand cores are made in cold core box.

本文分析了冷芯盒村脂砂芯条件下缸体铸件内腔结疤的原因。

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