| 释义 | 
             
                back roller line
                
            支撑轴zhī chēng zhóu 
 back shaft; supporting roller; support shaft辊gǔn 
 roller; stone roller辊道gǔn dào 
 table roller; roller bed; roller way杠杆滚轮gàng gǎn gǔn lún 
 lever roller修形滚子xiū xíng gǔn zǐ 
 relieved end roller淬火钢滚轮cuì huǒ gāng gǔn lún 
 hardened steel roller背对背bèi duì bèi 
 back to back脊梁jǐ liáng 
 back衬里的chèn lǐ de 
 lined辊子gǔn zǐ 
 roller滚轴gǔn zhóu 
 roller滚子gǔn zǐ 
 roller碾子niǎn zǐ 
 roller轧辊zhá gǔn 
 roller垂直线chuí zhí xiàn 
 perpendicular, vertical line水平线shuǐ píng xiàn 
 horizontal, horizontal line非对称球面滚子fēi duì chēng qiú miàn gǔn zǐ 
 convex asymmetrical roller项背xiàng bèi 
 a person's back脊背jǐ bèi 
 back蜗杆锥棍轴承wō gǎn zhuī gùn zhóu chéng 
 worm shaft roller conical bearing傍线bàng xiàn 
 side line焊缝hàn féng 
 welding line界线jiè xiàn 
 boundary line空行kōng háng 
 blank line垒线lěi xiàn 
 base line
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