他说接受专业训练的人出事故的几率比没接受训练的人要少。
He says studies show that riders who receive professional training have fewer accidents than those who do not.
为纳卯区同工训练学校祷告，求主带领更多乐意接受训练的人。
Pray for our DFM School of Ministries that more lives will commit to be trained.
应由曾受训练的人员或系统供应商定期检查保养系统，宜每季一次。
Regular maintenance of the system should be carried out by trained personnel or the system supplier preferably at quarterly interval.
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