F.190
例句
The day of the interview, one of the two F-22s at Edwards set off on the eighty-ninth F-22 flight and added to the 190 hours already accumulated.
在采访的当天，爱德华兹空军基地两架F - 22中的一架开始了F - 22的第89次飞行并将累积的飞行时数增加到了190个小时。
The differential of 190-200 degrees F is significant for plastics such as polyphthalamide that are intended for use in the components of an automotive powertrain.
的差异对于诸如PPA这样的塑料来说影响是很大的，PPA拟用于汽车动力系部件。
