pitting

1.He’s pitting his wits against the computer chess game.

他正与电脑下棋斗智。

2.It's a mean of geotechnical investigation, including borehole surveying, costeaning, trenching exploration, test pitting, hole exploration, geophysical exploration and penetration sounding.

岩土工程勘察一种手段，包括钻探、井探、槽探、坑探、洞探以及物探、触探等。

3.However,the passive film on Fe-20Cr NC was a n-type semiconductor which had a higher transpassivation potential and therefore higher resistance to pitting corrosion.

而纳米晶涂层在两种溶液体系中形成膜均为n型半导体。