arrestor例句

Breather valve and flame arrestor are indispensable safety devices.
可见呼吸阀、阻火器是储罐不要缺少的安全设施.

So the railroad will buy the spark arrestor.
所以铁路将购买阻火器.

The railroad will realize that it can save this $ 100 cost by investing $ 50 in a spark arrestor.
铁路将意识到,它可以通过投资50美元购买阻火器来省下这100美元.

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