砂眼 meaning in English

[冶金学] blowhole; blister; voids (铸件); abscess (金属中的); sand explosion; sand hole; slag pin hole

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
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。
Tests for mechanical and physical properties of aggregates . part 3 : determination of loose bulk density and voids
集料机械和物理特性试验.第3部分:松散块密度和砂眼的测定
Centrifugal casting ， compact structure ， free from pinhole porosity and slag ， smooth surface and even wall thickness
高速离心铸造,组织致密,无砂眼、夹渣，表面光滑、壁厚均匀。
All there are skin disease , sand holes , epilepsy disease , pulmonary tuberculosis or other infection patient , can ' t enter the pool before recovering
凡有皮肤病、砂眼、癫痫症、肺结核或其他传染病者，病愈前不得入池。