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oil level detector | |||
level indicator; oil-level indicator | |||
oil level indicator | |||
fuel level indicator | |||
oil-measuring gage; oil-measuring gauge | |||
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oil level tell-tale | |||
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oil level indicator |
油 位指示器 : 3 phrases in 3 subjects |
Aviation | 1 |
Hydroelectric power stations | 1 |
Technology | 1 |