open channel frame 槽型凸缘隔框
dual channel frame 双槽形断面大梁车架
single channel frame 单槽形断面大梁车架
channel-type developing frame 槽式显影架
Frame Channel 框架通道
conveying channel of sieve frame [粮食] 筛格内通道
channel-shaped stern frame 槽形艉柱
Forklift frame channel steel 叉车门架槽钢
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