拿第二张叶子，把中间的叶尖折下。
被点燃的混合物在叶尖的汽车火花塞。
The mixture was ignited at the blade tip by an automobile sparking plug.
提出了电容法测量发动机叶尖间隙的方案。
Finally a scheme of engine's tip clearance measurement by capacitance method is given.
因此，距叶尖30%处是最合适的测定位置。
Thus, 30% from the tip of leaf blade was the best measuring position.
这儿，就在这一棵上，你看这棵稻子的叶尖呀！
透平机械中的叶片长度和叶尖线速度都不断提高。
The length and speed of blade became longer and faster accordingly.
透平机械中的叶片长度和叶尖线速度都不断提高。
The length and speed of blade became longer and faster accordingly.
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