The separate flushing(air) system can be connected with shank adaptors by internal or external rope thread or trapezoidal thread . The customers can order according to their own requirements.

旁侧供水（风）系统钎尾有内外波形、梯形螺纹连接，用户可根据需要单独订货。

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When we drew the bucket up from the well, we saw that the rope had worn away , and the bucket was left hanging by a very thin thread.

当我们把水桶从井里提上来，发现绳子几乎要磨断了，水桶仅由一根细线吊着。

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When nylon first came out it was used primarily by the military for things such as parachutes, thread, and rope. This was followed by nylon's entry into the women's hosiery industry.

尼龙问世时主要用于军事，如降落伞、线和绳索，而后来尼龙被引人女袜生产行业。

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And in any decade, our rakish-at-any-age man Gekko would have liked the strong thread in the tax law really more of a hawser-sized rope about keeping your taxes as low as possible.

FORBES: Gordon Gekko Tax Moves