磷石膏...

ardealite的音标：ardealite的英式发音音标为：[ɑ:di:'laɪt]ardealite的美式发音音标为：[ɑdi'laɪt]...

Ardealite block produced according to the process recipe features high strength and excellent water resistance.按照该工艺配方生产的磷石膏砌块强度高、耐水性能优良....