The main features of the fissure type nitrogen blow hole and its formation mechanism was described.

敘述灰鑄鐵件裂隙狀氮氣孔的主要特征、形成機理.

The whale expelled water from blow hole.

那鯨魚從鼻孔噴出水來.

Mo Chuan Lo sharp as a blow hole, hum sounds natural, vigorous low.

磨穿螺尖作為吹孔, 發音嗚嗚然, 渾厚低沉.

Proper pouring process would avoid molten iron to be contaminated and reduce blow-hole defect.

正確的澆注工藝能防止鐵液受到污染,減少鑄件產生的氣孔.

This paper investigate improve process of melting bronze coat and re movement of blow hole.

因此,就采用小座爐熔煉紫銅外套如何改進工藝操作、攻克紫銅外套氣孔難關作一初探.

Blow-hole colostomies were closed on postoperative day 10, the investigators say.

研究者報道小切口結腸造瘺口在術后10日閉合.

The whale expelled water from his blow hole.

鯨魚從鼻孔排水.