电池片进厂和组件成品出厂经过德国OLBRICHT高精度测试仪严格把关测试,测试精度达到电压(),电流(),功率偏差值严格控制在()以内。
参考答案:0.1%;0.1%;5%
根据图中给的入射光线和折射光线,在方框内画出一个适当类型的透镜.
The boys and girls were happily making a snowman, _______ with cold.
A.their faces red
B.their faces were red
C.their faces turned red.
D.their faces to be red