导叶操作机构主要包括：导叶臂压板、导叶臂、分瓣键、连接板、耳柄、剪断销、连杆销及压盖等。
Guide vane operation structure includes the guide vane arm clip board, guide vane arm, segmental keys, connection board, handle, cut pin, connecting rod pin and gland, etc.
线夹本体和压板为可锻铸铁件，闭口销为不锈钢制件，其余为钢制件、可锻铸铁件和钢制件热镀锌。
The clamp body and keepers are malleable iron, cotter-pins are stainless steel, the other parts are steel . All ferrous parts are hot-dip galvanized.
线夹本体和压板可锻铸铁件，闭口销为不锈钢制件，其余为钢制件、可锻铸铁件和钢制件热镀锌。
The clamp body and keepers are malleable iron, cotter-pins are stainless steel, the other parts are steel. All ferrous parts are hot-dip galvanized.
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