钻探

Traditional form:

鑽探

Pinyin (reading):

zuāntàn

Definitions:

• to conduct exploratory drilling

Characters:

• 钻 - diamond; to bore, to drill, to pierce
• 探 - to find, to locate; to grope for, to search for

Traditional characters:

• 鑽 - diamond; to bore, to drill, to pierce
• 探 - to find, to locate; to grope for, to search for