The pressure of this gas pipe is greater than__________.
| A．the gas pipe |
| B．of the gas pipe |
| C．that of the gas pipe |
| D．those of the gas pipe |
推荐试卷
The pressure of this gas pipe is greater than__________.
| A．the gas pipe |
| B．of the gas pipe |
| C．that of the gas pipe |
| D．those of the gas pipe |
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