In order to reduce platform fabrication period and achieve early start-up, both pre-drilling and platform drilling methods are adopted in developing Pinghu oil & gas field.
为了缩短平台建设周期，使之早日投产，平湖油气田采用了预钻井和平台钻井相结合的方式。
Waveguides formed by heavy ions implantation show an unique advantages: the beam dose can be 1-3 order lower than that of light ion implantation and it can reduce the fabrication cost significantly.
利用重离子注入形成光波导表现出独特的优点：与轻离子注入相比，注入剂量可以降低1 ~ 3个数量级，可以大大降低制造成本。
In order to obtain satisfactory engineering properties for the duplex stainless steels, long period stop at the embrittlement temperature range should be avoided during production and fabrication.
为了使双相不锈钢具有满意的工程性能，在生产和加工制造过程中，应避免在易产生脆化的温度范围内长时间停留。
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