shading device短语¹⁴⁴⁹⁷²⁺² 基本例句 遮阳 Its white onyx slats cladding acts at the same time as an effective shading device. 白色的缟玛瑙板条覆盖同时也充当有效的遮挡。 gcszy There are three forms of fixed external shading device, which are horizontal device, vertical device and synthesis device. 固定外遮阳有水平、垂直和综合格栅外遮阳三种形式。 dictall