The metal diaphragms act as the seal at the top of the valve.
金属横膈膜在阀门的顶部作为密封。
Spin valve with bottom structure is compared with which with top structure.
最后对自旋阀的底钉扎和顶钉扎结构进行了比较。
This valve is often located at the top section of the car engine system.
这种阀门通常是位于第一段的汽车引擎系统。
Top number indicates valve number, bottom number indicates valve size.
顶部的数字表示阀门编号，底部的数字表示阀门大小。
For top efficiency, be sure the proper size valve is used.
为了获得最好的效率，请确保采用最恰当的通径。
For top efficiency, be sure the proper size valve is used.
为了获得最好的效率，请确保采用最恰当的通径。
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