A flat tyre 10 miles beyond Mount Barnett Roadhouse, a cross-threaded wheel nut, a dodgy jack handle, a dubious spare and a temperature of 100F (38C) had made for a taxing last couple of hours.

我们在过了巴内特山客栈十英里的地方爆了胎，换胎时有一只轮胎螺丝滑了牙，千斤顶不好使，备胎的质量又很可疑，再加上气温高达38摄氏度，使我们耽搁了很多时间。

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While driven wheel capabilities can also handle fabric, they lack the ability to handle even uncomplicated shapes that have tight corners, such as some flags and even only tabs.

驱动轮应用也可以处理织物，但是它们却处理不了有死角的简单图案，就像一些标识和标签之类的。

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Handling the machine manually, use the additional speed switch (the handle multiplier), which can change the value of displacement equal to one skip on the scale of the hand-wheel.

人工操作机床，使用附加速度开关(手动倍率开关)能改变手动轮一个刻度的位移量。

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Without these things, we would not have clean, drinkable water, or the ability to convey wastewater away from our homes to treatment facilities, or systems to handle the vast amounts of garbage we produce, or anything to drive on to accommodate our four-wheel lifestyles.

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