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。

a minor clause in a document such as a legislative bill that voids or changes its original or intended purpose
在法案等文件中取消或改变其初衷或目的的次要条款

Micromechanics Analysis of Viscoelasticity for Asphalt Mixtures Considering Influences of Coarse Aggregates and Voids
考虑粗集料和空隙的沥青混合料粘弹性细观力学分析

Aperture Couplings of Waveguide The reservoir spaces of the Doushantuo Formation consist of inter crystalline pores and fracture voids.
陡山沱组的储集空间有晶间孔隙和裂隙缝洞空间。