n.牢固;固定;要塞;堡垒;
例句:
Turntable fastness , replacing simply and convenient.
转盘定位, 更换规格简便且调整范围大.
During reactive dyeing process, the fastness will be influenced by different combination dyes and dye concentration.
在活性染料染色过程中, 活性染料日晒牢度会因拼色染料品种和染料浓度不同而受到影响.
The rebels have withdrawn to their mountain fastness for the winter.
叛军撤至他们的山寨过冬.