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砂脱水器
| 螺杆
| 砂脱水器 | |
| tech. | sand dewaterer |
| 螺杆 | |
| bridg.constr. | screw stem |
| compr. | guide screw |
| hydroel.st. | worm |
| met. | bolt; screw rod |
| oil | helix; hob |
| tech. | screw arbor |
| wind. | screw |
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| sand dewaterer | |||
| 砂脱水器: 2 phrases in 1 subject |
| Technology | 2 |