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| 81. | labor-saving ratio |
| 节省劳动消耗率 |
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| 82. | economization of sports skills |
| 运动技能节省化 |
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| 83. | labor-saving equipment |
| 节省劳动力的装备 |
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| 84. | fuel-saving vehicle |
| 节省燃料的车辆 |
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| 85. | labor-saving technical progress |
| 节省劳动的技术进步 |
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| 86. | labor - saving kitchen utensils |
| 节省劳力的厨房用具 |
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| 87. | She's always frugal of her money. |
| 她一直节省用钱。 |
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| 88. | cut and contrive |
| 节省费用妥善安排 |
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| 89. | He is economical of money. |
| 他节省金钱缮。 |
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| 90. | labor-saving engine |
| 节省劳动力的发动机 |
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