名词
中文翻译：主阀头盖螺丝
同义词：
['主要阀门头部盖螺丝例句：1. The main valve head cap screw was the key to solving the problem.（主阀头盖螺丝是解决这个难题的关键。）2. The technician replaced the main valve head cap screw with a new one.（技术人员用一个新的替换了主阀头盖螺丝。）']
例句：
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1. The main valve head cap screw was the key to solving the problem.
主阀头盖螺丝是解决这个难题的关键。
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2. The technician replaced the main valve head cap screw with a new one.
技术人员用一个新的替换了主阀头盖螺丝。
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3.The main valve head cap screw is essential for maintaining the proper functioning of the valve.
主阀头盖螺丝对于保持阀门正常工作至关重要。