The system consists of a swirling chamber, two vertical buckets on its wall, a drop shaft and a water cushion pit with one blind tunnel.

本文通过模型试验研究涡室-竖井内消能系统，用内设阻涡坎的涡室连接泄洪洞和竖井，带盲洞的消力井连接竖井和导流洞。

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The apparatus mainly consists of a high temperature environmental chamber, a power circuit of heating, two high-speed pyrometers , and a laser scanning system.

测量装置主要包括高温环境实验箱、加热供电回路、两套高速高温计及一套激光扫描系统构成。

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By means of the tuning chamber, the tuning speed range of exhaust system is widened. Thus, the two-stroke petrol engine performance at the middle-low speed range can be improved.

本文采用加装排气调谐腔的方法，拓宽了摩托车用二冲程汽油机排气系统的调谐转速范围，有效地改善了发动机在中低速区的性能。

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