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汉语拼音：shā yǎn

铸造过程中，气体或杂质在铸件内部或表面形成的小孔，是铸件的一种缺陷。

1. 眼的一种慢性传染病，病原体是一种病毒。症状是睑结膜充血，表面粗糙，状似沙粒，逐渐结疤，引起眼睑内翻倒睫，严重影响视力。

   老舍 《茶馆》第一幕：“﹝ 黄胖子 ﹞严重的砂眼，看不清楚，进门就请安。”

2. 铸件表面或内部因有气体或杂质等而形成的孔眼。

• The surface of checking fixture should be flat and smooth and no deflects like pores, air hole, knobs are allowed.

  材料表面应平整光滑，不允许有气孔、砂眼、结疤等缺陷。

• Chlamydia trachoma, inclusion conjunctivitis of the original body.

  砂眼衣原体，包涵体，结膜炎原体。

• Blisters are not acceptable. Improper adhesion which exposes bare metal is not acceptable.

  砂眼不可以接受。暴露金属底材的电镀附著不可接受。

• One thread lock, pipe thread sealing, trachoma Baptist hypoxia plastic closure production, sales in the domestic leader.

  其中螺纹锁紧、管螺纹密封、砂眼浸封缺氧胶生产量、销售量在国内领先。

• Moreover, when it was used as eyewash agent, it could treat conjunctivitis and sand holes.

  此外，用于眼用制剂时，可治疗结膜炎、砂眼等眼疾。

• This paper presents the results of trachoma epidemiology studied, during the past three years, with slit-lamp biomicroscope.

  本篇报告著者等在三年间，使用细隙灯生体显微镜所做砂眼检查的结果。

• Oily or greasy surfaces repel fluxes, leaving bare spots that oxide and result in voids and inclusions.

  油脂表面会排斥焊料，留下氧化物裸点，并导致砂眼和杂物。

• Repair welding of sand hole and gray cast iron machined surface subject to no load.

  不受力的灰铸铁加工面及砂眼补联系我时请说明来自志趣网，谢谢！

• All interfaces will reflect or scatter waves to some degree. This includes cracks, inclusions, grain boundaries and other discontinuities.

  所有分界面将能反射或散声波到达某个程度，包括龟裂、内容物、砂眼分布范围、及其它裂痕。