怎样才能把纱罩烧好?
要想纱罩形状烧得好,先要压力小,点着火后再加大压力,纱罩才能烧得圆而不歪。这样,不仅照明效果好,对玻璃灯罩放出的热也是均匀的,不易损坏玻璃罩。
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
免费的网站请分享给朋友吧