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A saddle-shaped hole grooving machine for pressure vessel was introduced. A method for processing saddle groove and the designing of a technical background were put forward.
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摘要介绍了一种压力容器壳体开孔马鞍形坡口加工机械的设计背景技术,给出了马鞍形坡口加工的一种实现方法。 |
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A safe investment is blue chips or, better still, gilt - edged securities.
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一种可靠的投资是买值钱而热门的股票,或者更可靠的一种买安全的金边证券。 |
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A safe statesman is better than a clever one.
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一个可靠的政治家比一个聪明的政治家更好。 |
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A safe, costmetic-grade preservative, soluable in water, glycerin and alcohol. Easy and safe to use.
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属化?菻~级广效性抗菌剂,方便且安全性高,溶于水,甘油及酒精。 |
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A safekeeping contract is formed upon delivery of the deposit, except otherwise agreed by the parties.
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第三百六十七条保管合同自保管物交付时成立,但当事人另有约定的除外。 |
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A safety interlocking used in systems powered by multi power supplies to prevent two or more circuit breakers from closing parallelly.
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用于多路电源供电的系统,是一个安全联锁装置,以防止二个或多个断路器并联合闸。 |
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A sagacious businessman seldom fails in his business.
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精明的商人在生意上很少失败。 |
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A sage is the only miracle.
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圣贤是唯一的奇迹。 |
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A said if not hoisted,I a useless piece of cloth;An ideal,if not put into effect,Is a purely visionary mist.
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帆若不挂上桅杆,是一块无用的布;理想若不付出行动,纯粹是虚无缥缈的梦。 |
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A sail, such as a jib, set forward of a foremast.
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船首帆如三角帆等安装在前桅前方的帆 |
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A sailing ship with from three to five masts of which only the foremast is square-rigged, the others being fore-and-aft rigged.
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三桅船有三至五个桅杆且只有前部桅杆有横帆装置其余均有纵帆装置的帆船 |