round head square-neck bolt
[海运英汉词典]
round head square-neck bolt圆头方颈螺栓
是什么意思,round head square-neck bolt的解释,round head square-neck bolt的翻译
[进出口英汉词典] round head square-neck bolt
round head square-neck bolt
[海运英汉词典]
round head square-neck bolt是什么意思,round head square-neck bolt的解释,round head square-neck bolt的翻译
[进出口英汉词典] round head square-neck bolt