负压

Traditional form:

負壓

Pinyin (reading):

fùyā

Definitions:

• suction
• negative pressure

Characters:

• 负 - load, burden; to carry, to bear
• 压 - press; oppress; crush; pressure

Traditional characters:

• 負 - load, burden; to carry, to bear
• 壓 - press; oppress; crush; pressure