... diaphragm protector隔膜保护器 diaphragm pump膜片式泵 diaphragm screen膜筛 ...
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短语
膜片式油泵
diaphragm type fuel pump
膜片式计量泵
diaphragm type metering pump
膜片式燃料泵
diaphragm fuel pump
膜片式输油泵
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diaphragm fuel supply pump
背负式膜片泵喷雾机
diaphragmknapsacksprayer