The ALC? is an in-line, spring assisted, single guided "wafer" check valve designed to prevent "water hammer" and "reverse" flow.
同轴、管内螺纹弹簧单导对夹式止回阀，专门用于防止水击作用和倒流现象。
The DFT? Model DLC? is a corrosion resistant, dependable, versatile and economical spring assisted, in-line check valve for a wide range of applications.
抗腐蚀、通用和可靠的弹簧止回阀，经济型、管内螺纹，适用于大部分设备。
When you slide the screen up to reveal the thumb keyboard, there's no spring-assisted snap; it drags like a plow through soil.
在向上滑动显示屏以露出拇指键盘时，没有发出弹簧助力的喀嚓声；拉动的动作就像是在犁地。
The disquisition pilot study about the computer assisted optimization design of a screw spring of many radices using math layout theory conjoint to computer programmer method with a exemplity.
笔者将数学规划理论与计算机程序设计方法相结合，通过实例对多股螺旋弹簧的计算机辅助优化设计进行了初步探讨。
The DSV? is an in-line spring-assisted check valve designed to prevent flow reversal in industries with strict cleanliness codes.
同轴、管内弹簧止回阀，工业上要求严格的清理时可用来防止水倒流。
The DSV? is an in-line spring-assisted check valve designed to prevent flow reversal in industries with strict cleanliness codes.
同轴、管内弹簧止回阀，工业上要求严格的清理时可用来防止水倒流。
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