-
任何时候都不要将防火门打开。
Fire doors should not be wedged open at any time.
youdao
-
记住一定要关掉防火门防止火势蔓延。
And always shut the fire doors to prevent the fire spreading.
youdao
-
用于防火门芯板。
4 for a fire door core board .
youdao
-
防火门；
Wood Fire doors;
youdao
-
防火门；
Wood Fire doors;
youdao