[机] 气孔；（鲸鱼的）鼻孔；（隧道的）通风口
The whale expelled water from his blow hole. 鲸鱼从鼻孔排出水。
As a result, the. damage rate of the mould,the blow hole and sand inclusion-causi... 可有效地减少型废及铸件气孔、砂眼等废品,有助于提高铸件的内外质量和改善作业环境。
Mike: Chrissy Chrissy please tell me you didn't dray Mr. Blow Hole all over the house? 迈克：克丽丝，你没有带布鲁克先生到处乱转吧？
The high ambient temperature and damp weather has harmful influence on the cupola melt-ing that causes increase of blow hole defect. 梅雨季节高温潮湿天气对冲天炉熔炼带来不利影响,导致铸件气孔缺陷增加。
Gas burner: Gas burner stage is general tall 65-75 centimeter, boiler wearing leaves blow hole with 5 centimeters advisable. 煤气灶：煤气灶台一般高65-75厘米，锅架离火口以5厘米为宜。
