A closer inspection of the tool mark shows a series of parallel teeth marks, probably from the use of a plumber's wrench or tongue-and-groove pliers.

放大后的检验，可见一系列平行的齿纹，有可能来自管钳，会其他靠钳齿来抓牢工件并旋转的钳子。

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An adjusting groove, the direction of which is parallel to the axis of the rotating shaft, is disposed on the adjusting plate.

在所述调整盘上设置调整槽，所述调整槽的走向与所述转轴的轴线平行。

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JBL, JBT, JB-TL Specific forms parallel groove clamp is suitable for unendure force splicing and branch on the aerial wire , being used with insulation cover . It's action is insulation protection.

TL系列异型并沟线夹适用于架空电力线路中导线的非承受力接续与分支，与绝缘罩配套使用起防护绝缘作用。

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