大方钉 [五金] cut spike ; boat spike ; deck nail
非官方钉住型 Unofficial Pegging
方头螺钉 square-head screw ; lag screw with square head ; square headed screw
方螺钉扳手 spanner for square screw
方头铁螺钉 iron screw with square head ; iron square head screw
方型钢钉线卡 Flat cable clips
钢制方头木螺钉 Steel Coach Screw
四方船钉 square boat nail
镀锌四方船钉 galvanized iron square boat nail
他们一辈子都是圆洞里的方钉。
并且软膜龙骨只需用螺丝钉按一定距离均匀固定即可，安装十分方便。
And only soft keel with screws evenly and can be fixed at a certain distance, the installation is very convenient.
但是，第一节课的快下课了，我无奈的发现，我只剩下了一个方楔子和一个圆形小钉板。
And yet, in the period between first recess and orange juice time, I had faced the bitter reality that all that was left was a square peg and a round hole.
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