double spring hinge 双弹簧铰链
double spring 双弹簧
single double spring door [建] 单扇双开弹簧门
Double Spring Bottom Oil Can 复簧底油壶
double spring model 双弹簧模型
double spring support 双弹性支撑
double spring element 双弹簧单元
double spring vibrator 双弹簧振子
Improvement of injector: double-spring injector, pump nozzleElectronic-controlling spraying system: adopting electronic-controlling spraying pump to implement position control on assigning-type oil-spraying system; adopting electronic-controlling spraying system to implement position control on straight-row oil-spraying pump.
2、改进喷油器:双弹簧喷油器、泵喷嘴。 3、电子控制喷射系统:将分配式喷油泵上实施位置控制的电控喷油系统、直列式喷油泵上实施位置控制的电控喷油系统。
参考来源 - 关于降低柴油机有害排放的研究与探讨·2,447,543篇论文数据，部分数据来源于NoteExpress
Structurally, DNA is composed of two strands that intertwine to form a spring-like structure called the double helix.
从结构上讲，DNA是由两条链相互缠绕构成弹簧状结构称为双螺旋。
Americans are more able to access media-rich content online; 55 percent have broadband Internet connections at home, double the figure for spring 2004.
美国人更能够在线接触含有多元媒体的内容；55%的人家中有因特网宽带连接，是2004年春季的两倍。
Double disc check valve consists of body, disc, valve rod and spring and other parts. The valve is designed with slim light weight.
双瓣止回阀主要由阀体、阀瓣、阀杆及弹簧等重要零件组成，并采用薄型轻巧设计。
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