They can have straight, bent, or offset shanks.
它们可以有直的、弯的或偏置的刀杆。
Lie on back, knees bent or straight.
仰卧，膝关节弯曲或伸直。
It's very important, whether the arms are bent or straight - and we prefer them straight - that you have them very relaxed.
这一点也很重要，无论空中移臂时，手臂是弯曲的还是笔直的状态，通常我们都要求水平笔直地移臂- - -都要做到移臂时手臂完全放松。
To assess each other, climbing partners can observe whether their arms are mostly straight or mostly bent while climbing a relatively easy route.
攀岩伙伴可以通过互相观察判定对方在攀爬相对比较简单的线路时，是否大多数时间直臂还是曲臂。
The heat-exchanger tube is a straight tube, a bent tube or a twisted tube.
所述的热交换管是直 管、弯管或盘管。
The heat-exchanger tube is a straight tube, a bent tube or a twisted tube.
所述的热交换管是直 管、弯管或盘管。
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