结果表明，缩短一次风管道内导流板的长度是可行的。

The test results show that it is feasible to shorten the length of guide plate in a primary air pipe duct.

youdao

结果表明，缩短一次风管道内导流板的长度是可行的。

The test results show that it is feasible to shorten the length of guide plate in a primary air pipe duct.

youdao