问题
判断题
销联接的作用主要包括定位、联接并传递转矩和安全保护。
答案
参考答案:对
销联接的作用主要包括定位、联接并传递转矩和安全保护。
参考答案:对
Look and fill in the blanks. 看一看,填一填。 |
![]() ![]() Xiaoming Xiaohong |
![]() ![]() ![]() ![]() | sixty-eight eighteen nine eight | ![]() ![]() ![]() ![]() | twenty-one thirty-two twelve eighty-one |
How many... do they have? 1. Xiaoming and Xiaohong have ( book). 2. Xiaoming and Xiaohong have (marker). 3. Xiaoming and Xiaohong have (eraser) . 4. Xiaoming and Xiaohong have (pen) . |