round head bolt meaning in English

圆头螺栓

Flat round head bolts , shank tolerance f9 , in titanium alloy
Tc16钛合金.光杆公差带f9的扁圆头螺栓
Round head bolts inch series
英制圆头螺栓
Round head bolts inch series
圆头螺栓
Fixed railway equipment . material for telecommunication and signaling overhead lines . galvanized round head bolts
铁路固定设备.通讯和信号装置架空线路用器材.镀锌圆头螺栓
Fixed railway installations . equipment for overhead telecommunication and signalling lines . galvanized round head bolts , finish g
铁路固定设备.通讯和信令装置架空线路用器材.镀锌圆头螺栓.光洁度g