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pull-over mill：二辊不可逆式轧机

pull off spring 复位弹簧 | pull over mill 二辊不可逆式轧机 | pull rope 牵索

pull-over mill：递回式轧机,二辊周期式薄板轧机,二辊周期式轧机

pull-over gear ==> 拖运机,移送机 | pull-over mill ==> 递回式轧机,二辊周期式薄板轧机,二辊周期式轧机 | pull-over roll ==> 递回轧辊

pull-over mill：二辊不可逆式轧机, 二辊周期式薄板轧机

pull off spring 复位弹簧 | pull over mill 二辊不可逆式轧机, 二辊周期式薄板轧机 | pull rope 牵索

pull-over gear：拖运机

pull-on pants 松紧带长裤 | pull-over gear 拖运机 | pull-over mill 二辊周期式薄板轧机

pull-over gear：拖运机,移送机

pull-over ==> 拔送器,递回 | pull-over gear ==> 拖运机,移送机 | pull-over mill ==> 递回式轧机,二辊周期式薄板轧机,二辊周期式轧机

pull-over shirt：套头衫

"推指棒","pull up finger rod" | "套头衫","pull-over shirt" | "推动指","pull-up finger"

pull-over roll：递回轧辊

pull-over mill ==> 递回式轧机,二辊周期式薄板轧机,二辊周期式轧机 | pull-over roll ==> 递回轧辊 | pull-push technique ==> 牵推法

pull-through line：枪筒清扫绳

pull-stretch fuel pump ==> 拉伸机油泵 | pull-through line ==> 枪筒清扫绳 | pull-through winding ==> 穿入式绕组,拉入绕组

Pull down field：(值域下降)

39. Pull up method(函数上拉) | 40. Pull down field(值域下降) | 41. Pull down method(函数下移)

pull-type rotary plow：牵引式旋耕犁

pull-type roller ==> 拖挂式压路机 | pull-type rotary plow ==> 牵引式旋耕犁 | pull-type shaping ==> 拉式插削

steam trap valve：疏水阀

球阀 ball valve | 疏水阀 steam trap valve | 蛇管式换热器 serpentine type heat exchanger

aldermanship：市政官

aldermanry 议员 | aldermanship 市政官 | Alderney 乳牛