这是该炉的基础。该洞是一个排水孔的泄漏或破损的情况下/通过坩埚烧毁。件的销子***成两半，将留下一个战壕中的难治性导致洞。
These trenches will allow spilled metal to access the hole rather than being blocked when a "plinth" block or piece of brick is set on the base to hold the crucible.
在对现有排水孔幕数值模拟方法评价的基础上，提出并深入研究了密集排水孔幕全精细模拟技术。
Based on the evaluation of present numerical simulation of drainage holes, the all-refined simulation technique precisely simulating densely distributed drainage holes is presented and deeply studied.
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