| 英文同义词: | YD-1050 polyether polyols for rigid foam;YD-4110 polyether polyols for rigid foam;YD-450BC polyether polyols for rigid foam;YD-600 polyether polyols for rigid foam;YD-601 polyether polyols for rigid foam;YD-605 polyether polyols for rigid foam;YD-630 polyether polyols for rigid foam;YD-8235 polyether polyols for rigid foam |