长图记录仪 meaning in Chinese

strichart recorder
strip-steel head and tail configuration measuring instrument

Automatic data collection and rapid processing of tj - diesel emission system are realized by using six - channel intelligent small and long diagram recorder and computer . the results of test show that the emission test for small and middle diesel engines can be completed with high efficiency
本文叙述了采用6通道智能小长图记录仪和计算机使tj -柴油机排放测试系统实现了自动采集和快速处理，并经试验证明可高效能地完成中小功率柴油机的排放试验。