三通闸阀trebleportedslidevalve 直通directconnection;straightin;straightbore;through;feed(-)through;once-through 直通拨号throughdial(l)ing ..
基于3个网页-相关网页
straightin feed 直进给
Straightin approach 直线进近
straightin approachVFR 目视飞行规则的直线进近
straightin approachIFR 仪表飞行规则的直线进近
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