钻压

Traditional form:

鑽壓

Pinyin (reading):

zuànyā

Definitions:

• pressure on a drill bit

Characters:

• 钻 - diamond; to bore, to drill, to pierce
• 压 - press; oppress; crush; pressure

Traditional characters:

• 鑽 - diamond; to bore, to drill, to pierce
• 壓 - press; oppress; crush; pressure