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| 1. | If the pressure builds up excessively, the pressure valve opens to relieve the pressure. |
| 如果油箱内压力过高，则压力阀开启，以降低压力。 |
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| 2. | opening pressure |
| 启开压力;开启压力 |
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| 3. | nozzle opening pressure |
| 喷嘴开启压力 |
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| 4. | The sign R after the牌号 denotes the first letter of Chinese pinyin of Chinese character容 as in压力容器. |
| 本标准所列牌号后的“R”是指压力容器“容”字的汉语拼音第一个字母。 |
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| 5. | injection-valve opening pressure |
| 喷油阀开启压力 |
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| 6. | needle opening pressure |
| 针阀开启压力 |
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| 7. | valve opening pressure |
| 阀的开启压力 |
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| 8. | sign R after the designation denotes the first letter of Chinese pinyin of Chinese character容 as in压力容器 |
| 本标准所列牌号后的“R”是指压力容器“容”字的汉语拼音第一个字母。 |
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| 9. | delivery valve opening pressure |
| 出油阀开启压力 |
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| 10. | Knife Gate valves should preferably not be opened or closed against pressure. |
| 刀闸阀不适合顶着压力进行开启或关闭。 |
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