# blow-hole ##### 词义 - #词性/n 气孔 ##### 例句 - 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 toblowthe water to make a current, then herblowholeto 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,blowhole, 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。