[機(jī)] 氣孔；（鯨魚的）鼻孔；（隧道的）通風(fēng)口

The whale expelled water from his blow hole. 鯨魚從鼻孔排出水。

As a result, the. damage rate of the mould,the blow hole and sand inclusion-causi... 可有效地減少型廢及鑄件氣孔、砂眼等廢品,有助于提高鑄件的內(nèi)外質(zhì)量和改善作業(yè)環(huán)境。

Mike: Chrissy Chrissy please tell me you didn't dray Mr. Blow Hole all over the house? 邁克：克麗絲，你沒有帶布魯克先生到處亂轉(zhuǎn)吧？

The high ambient temperature and damp weather has harmful influence on the cupola melt-ing that causes increase of blow hole defect. 梅雨季節(jié)高溫潮濕天氣對(duì)沖天爐熔煉帶來不利影響,導(dǎo)致鑄件氣孔缺陷增加。

Gas burner: Gas burner stage is general tall 65-75 centimeter, boiler wearing leaves blow hole with 5 centimeters advisable. 煤氣灶：煤氣灶臺(tái)一般高65-75厘米，鍋架離火口以5厘米為宜。