问题
问答题 简答题
螺旋输粉机有哪些部件组成？
答案
参考答案：
螺旋输粉机由外壳、装于外壳的螺旋杆、固定于外壳上的轴承、端部支座、推动轴承及进粉管、出粉管等构成。
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螺旋输粉机有哪些部件组成？
参考答案：
螺旋输粉机由外壳、装于外壳的螺旋杆、固定于外壳上的轴承、端部支座、推动轴承及进粉管、出粉管等构成。
| 将下列句子改成否定句、一般疑问句并作肯定、否定回答。 | |
| 1. Lucy's friends play volleyball. _____________________________ _____________________________ _____________________________ 2. Tom is having his supper. _____________________________ _____________________________ _____________________________ 3. My uncle is good at drawing. _____________________________ _____________________________ _____________________________ 4. Their father goes to Beijing. _____________________________ _____________________________ _____________________________ 5. Kate likes tomatoes very much. _____________________________ _____________________________ _____________________________ 6. David has three nice backpacks. _____________________________ _____________________________ _____________________________ |