升压 Traditional form: 升壓 Pinyin (reading): shēngyā Definitions: to boost the pressure (of a fluid) to boost (or step up) the voltage Characters: 升 - to advance; to arise; to hoist, to raise 压 - press; oppress; crush; pressure Traditional characters: 升 - to advance; to arise; to hoist, to raise 壓 - press; oppress; crush; pressure