shoe string

Some bottom fixing assemblies of the temporary casing string have been designed such as air-liquid helical flow mixed nipple joint, groove casing shoe, anti-abrasive casing nipple joint and anti-backoff rotation device.

设计了气液旋流混合短节、防挂坡口套管鞋、耐磨套管短节、防倒扣旋转装置等临时套管柱下部固定结构。

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Finish off with the bow tie by cutting a15 inch scrap fabric and tie this in a shoe string bow.

剪一块15英寸长的碎布头，像系鞋带那样系成蝴蝶结的形状。

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Always slip and cut the drilling line with the drill string in the cased hole and the bit is at or near the casing shoe.

滑大绳或者倒大绳时，一定要把钻具下到套管内，使钻头处在或接近套管鞋。

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It means not help you tie your shoe but that little plastic tip keeps the rest of the shoelace, the shoe string from unraveling into weak and useless threads.

它可能不会帮助你系上鞋带，但这两个塑料头帮助鞋带的其他部分，线绳的部分，不至于脱线，变成脆弱没用的线头。

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