safe patrol
安全巡逻
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Meter reading and patrol is safe and convenient and avoids personal injury.
抄表巡检安全方便，进免人身伤害。
youdao
Conflict had broken out in what was Yugoslavia and the United Nations had enlisted the troops to patrol a safe haven in Gorazde.
BBC: Plaques to soldiers killed in Bosnia rededicated
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