A type of modifier suitable to Xinli oil was developed through experiment. It could reduce the oil pressure of the well and extend the period of low-temperature transportation.
本文通过试验，研究出一种适合于新立原油的改进剂，降低了冷输井的油压，延长了冷输井顶管线的周期。
An unsafe context is enabled by using the unsafe modifier in the declaration of a type or member.
非安全环境，可以通过使用unsafe修饰符得以标记，在建立一个类型或成员时。
A new type anti-track RS2000 natural asphalt modifier was introduced. Chemical components of the modifier were analyzed.
介绍了一种新型RS2000抗车辙沥青改性剂，分析了该改性剂的化学组成。
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