Theory and practice have proven the installation of a rectifying plate in front of the uniform blast duct is the key to maintain uniform air distribution.
理论与实践证明，在均风管出流处装设整流板是保证配风均匀的关键。
2
CK7 expression was limited in the ductal plate cells and bile duct cells from the 14th week.
CK7仅限于14周龄之后的胆管板细胞和胆管上皮内表达。
3
The test results show that it is feasible to shorten the length of guide plate in a primary air pipe duct.