round head grooved bolt_海运英汉词典
round head grooved bolt
[海运英汉词典]
round head grooved bolt圆头开槽螺栓
是什么意思，round head grooved bolt的解释，round head grooved bolt的翻译
圆头开槽螺栓
round head grooved bolt_海运英汉词典round head grooved bolt
[海运英汉词典]
round head grooved bolt是什么意思，round head grooved bolt的解释，round head grooved bolt的翻译
