adj.超低的
Dust chambers, ultra low industrial freezers. 吸尘室，超低温工业冷冻机。
The duty on ultra low sulphur diesel is a steady source of revenue. 超低硫柴油税是一项稳定的收入来源。
The PED System is an ultra low frequency "through the earth "paging control and remote blasting system. PED井下无线通讯与急救系统是世界上唯一一套可实现超低频信号穿透岩层进行传输的无线急救通讯系统。
The key to the design of feeble signal sampling system lies in the designing of ultra low noise preamplifier. 设计超低噪声前置放大器是设计微弱信号采集仪器时不可回避的技术问题。
With the ultra low frequency sound box combination use, may have theacoustics which plentifully shocks. 与超低频音箱组合使用，可产生更加丰满震撼的音响效果。
