pitting

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

他正与电脑下棋斗智。

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、井、、坑、洞以及物、触等。

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钝化膜均为n型半导体。