blow hole 破孔 ; 铸件气孔 ; 气孔 ; 吹孔
Halona Blow Hole 哈鲁那喷泉口
Haloua Blow Hole 海泉喷口
gross blow hole 大气孔
nitrogen blow hole 氮气孔的
blow-hole n 鲸鱼的
N the nostril, paired or single, of whales, situated far back on the skull (鲸头顶的)呼吸孔
The essay analyzes the problem of blow-hole which is easily seen in the process of production and makes further discussion of the technology of improving lid casting.
前言：对烘缸缸盖在铸造过程中易出现的皮下气孔问题进行了分析，并对缸盖浇注系统的工艺改进作了进一步探讨。
She uses her mouth to blow the water to make a current, then her blow hole to break the current into a ring shape.
她会用嘴吹出一个气泡，然后用喷气孔将气泡吹成圆环。
The reason and prevention of four kinds defects including surface wrinkled skin (carbon built-up), chock, blow hole, deformation, was introduced in this part of the article.
本部分主要介绍表面皱皮（积碳）、呛火、气孔、尺寸超差及变形等缺陷的产生原因和防止方法。
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