问题
判断题
“三阀一缸”指的是：差压阀，高度阀，空重车阀和工作风缸。
答案
参考答案：错
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“三阀一缸”指的是：差压阀，高度阀，空重车阀和工作风缸。
参考答案：错
| 根据句意从方框中选用合适的词语,并用其适当形式填空. | |
2. This is an _________job, I can do it 3. What about _________ vocabulary lists? 4. I found him very __________ when he heard the ___________ news. 5. He doesn't _________ how important it is. |