When post offices try to improve their service they sometimes send an electronic probe the mail.

当邮局设法改进他们的服务时,他们有时会随邮件发送一枚电子探测器.

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The failure reason of centrifugal cast stainless steel pipe breakdown was analyzed microscope and electronic probe.

采用金相和电子探针等手段分析了离心浇注不锈钢管断裂失效的原因.

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