名词
中文翻译：半月形吊索
同义词：
['半圆扣，半月形扣例句：1. The half-moon crosstie was used to secure the ropes together.（半圆形吊索被用来将绳索固定在一起。）']
例句：
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1. The half-moon crosstie was used to secure the ropes together.
半圆形吊索被用来将绳索固定在一起。
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2. The construction crew had to use a half-moon crosstie to lift the heavy beams.
施工队不得不使用半圆形吊索来抬起沉重的梁。
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3. The half-moon crosstie was a crucial component in the design of the bridge.
半圆形吊索是桥梁设计中至关重要的组成部分。