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| 31. | past year, oil has blown by $50 a barrel and peaked briefly at $70 altitudes, sending prices at the gas |
| 过去一年，油价飙升到每桶50美元并且曾一度达到70美元的峰值，加油站每加仑3美元的油价曾一度使北部地区心惊肉跳。 |
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| 32. | Our company professionally organizes the famous international exhibitions in the fields of oil and gas |
| 公司专业组织石油、泵阀、石材、建材、水处理、五金、消费品、烟草等行业全球知名展览会，公司团队迄今已经成功组织了几十场国际知名展览会。 |
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| 33. | from the gas compression and to replenish the liquid ring, because part of the liquid is leaving the pump |
| 泵运转期间需连续不断地补充工作液（常为水）以带走气体压缩而产生的热量和补充部分随气体排出的工作液。 |
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