规则建立了一名临时外国工人可以在其工作的四年的最大程度累积持续加拿大。 [translate] aThe crystallinity and the phase purity of synthesized samples were determined by powder X-ray diffraction (XRD) (Rigaku Miniflex, Japan, Cu-K ) (as shown in Figure 1). 正在翻译,请等待... [translate] ...