A single progressive metering groove did away with both main and corrector jets, as well the Venturi.

一个单一的渐进式计量槽，摆脱双方的主要和校正飞机，以及文丘里。

youdao

A single progressive metering groove did away with both main and corrector jets, as well the Venturi.

一个单一的渐进式计量槽，摆脱双方的主要和校正飞机，以及文丘里。

youdao