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。
The hoisting jack calls the mechanical hoisting jack, is by the manpower through the screw vice-transmission, the screw rod or the nut sleeve achievement goes against lifts.
液压千斤顶又称机械式千斤顶，是由人力通过螺旋副传动，螺杆或螺母套筒作为顶举件。
Then screw nut did not try to jack up the entire turret components and the weight, the role without friction whereabouts.
这时螺母没有托住丝杆以及整个刀架部件的重量，由于摩擦阻力的作用而不下落。
Then screw nut did not try to jack up the entire turret components and the weight, the role without friction whereabouts.
这时螺母没有托住丝杆以及整个刀架部件的重量，由于摩擦阻力的作用而不下落。
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