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annular valve
meaning in English
环孔阀
环形阀
环状阀, 轮形阀
针形阀
Related Words
annular saw
annular wheel
annular termination
annular micrometer
annular slot
annular grid
annular anomaly
annular crack
annular ducting
annular borer
annular type stripper
annular ulcer
annular vault
annular velocity
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