问题
单项选择题
在喷涂过程中负载电流超出的原因。()
A、负载不稳定
B、电源不稳定
C、设备不稳定
D、涂层要求过厚
答案
参考答案:A
在喷涂过程中负载电流超出的原因。()
A、负载不稳定
B、电源不稳定
C、设备不稳定
D、涂层要求过厚
参考答案:A
从方框中选词填空。 | |
2. Justin has a computer game. He likes to ______ computer games. 3.—______ play basketball.—That ______ interesting. 4. I have a baseball ______. I like to play baseball. 5. My grandmother ______ a TV in her room. She ______ TV every day. 6. My friend has a great sports ______. He has all kinds balls in his room. |