The utility model shortens the soak time of the perforating fluid to the stratum and avoids a secondary pollution to the oil layer during a pulling operation process.

缩短射孔液对地层的浸泡时间，避免了起下作业过程中对油层的二次污染。

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From this output we can see that our mediation was called and successfully inspected the incoming message, pulling out the operation details and the string value that we passed in.

通过这个输出，我们可以了解到已调用了中介，并成功地检查了传入消息，同时提取出了操作详细信息和我们传入的字符串值。

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Safety and easy operation: hidden air leaking hole for opening fixture cover easily while pulling up hand lever of the upper cover.

操作方便，安全：隐藏式泄气孔，拉起上盖把手即可打开治具，操作简易，安全性高。

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To help shatter the illusion that cigarettes were cool he visited schools, testified to Congress and gave public lectures, pulling off his shirt to show the operation scars that wrapped halfway round his back.

ECONOMIST: Alan Landers, ex-smoker, died on February 27th, aged 68

However, Stark has already had to consider a replacement to his original choices, with Manchester United defender David Gray pulling out before the squad announcement because of a pending operation.

BBC: St Johnstone's Murray Davidson given Scots U-21 call-up