词汇	field pipeline
释义	field pipeline 野外管道
随便看	mechanical gutter cleaner mechanical guy mechanical guy derrick mechanical gyro mechanical gyroscope mechanical hammer mechanical hammers mechanical hand mechanical handing mechanical handling mechanical handling equipment mechanical handling method Mechanical Handling System mechanical hand scan mechanical hand time release mechanical hardening Mechanical-hardening mechanical hardware system design mechanical harvest mechanical-harvest mechanical harvester mechanical harvesting mechanical hatchcover mechanical haulage mechanical hay press baler