您要查找的是不是：
- suction extractor roll 真空脱水网辊
- Chock the barrel up or else it will roll over. 用楔子塞住圆桶,不然它会滚过去。
- Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸尘器都是借吸力工作的。
- The slow steady roll of the ship made him sick. 轮船不停地缓慢摇晃使他感到不适。
- Flies' feet stick to surfaces by suction. 苍蝇的脚借吸力可附着于物体表面上。
- The desk calculator use a roll of paper. 这台台式计算机使用卷纸。
- She is crazy about rock and roll. 她喜欢摇滚乐。
- I'm going to a rock and roll concert tonight. 我今晚正要去参加摇滚音乐会。
- He makes fresh orange juice with an electric extractor. 他用电动榨汁机榨取新鲜的橙汁。
- If the table top isn't level, things will roll off. 如果桌面不平，东西就会滚下来。
- The boy turned up missing at roll call. 小男孩在点名时不见了。
- The jokes made everybody roll about. 那些笑话逗得人人捧腹大笑。
- The teacher calls the roll every evening. 老师每晚都要点名。
- He cut off a metre of cloth from the roll. 他从那卷布上剪下一米。
- We'll get the water out with a suction pump. 我们将用抽水机把水抽出来。
- Let's roll back the carpets and have a dance. 咱们把地毯卷起来跳舞吧。
- After refilling ink, extract a little ink using suction tool. 填充墨水后用抽气工具将少许墨水抽出。
- Can you have this roll of film develop and printed? 请你给这卷胶卷冲印一下可以吗？
- Dirt and dust are drawn into a vacuum cleaner by suction. 污物和灰尘被吸入吸尘器。
- Such an extract in a solution of alcohol. 酒精提取物酒精溶液中的提取物
