同根派生 plant life相关词英汉例句Operating with great efficiency and low-pressure loss, it provides excellent protection to the pressure regulators and meters, minimizes the maintenance and extends equipment life.操作了不起的效率和低压损，它提供对压力减压器和计量表极佳的保护，使维护减到最小和延长设备寿命。plant life更多例句