normal double wrench 标准双头扳手
double end wrench 双头板手 ; [五金] 双头扳手
double-ended wrench 双头扳手
double-head wrench 双头扳手 ; 双头板子
double open end wrench 双头扳手 ; 双开口扳手 ; 双头开口扳手 ; 双头呆扳
double jaw head wrench 双卡头扳手
double handle pipe wrench 双柄管子钳
double swing end wrench 双头活动扳手
Double-headed wrench stay dominant products, Plum wrenches, dual-use wrenches, active wrenches to all specifications, good quality and low price, high reputation, well-known tools sector.
主导产品双头呆扳手，梅花扳手，两用扳手，活络扳手，以规格全，质量好，价格低，信誉高，闻名工具界。
Sleeve axis is always perpendicular to railway sleepers, ensuring quick and accurate alignment. The average working efficiency is 1.5 times that of double end wrench.
套筒轴线始终垂直于轨枕面，对位快速、准确，平均工作效率为双头的1.5倍。
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