生产经营单位必须对安全设备进行经常性维护、保养，并定期检测，保证正常运转。
Production and business units shall have their safety equipment constantly maintained and serviced and regularly tested in order to ensure its normal operation.
W：如果你们随机器派装配工保证机器正常运转，而且保证售后服务的话，我们就同意全额付款。
M: if you send fitters along with the machines to ensure that all the machines run properly, and if you provide after-sales service, we agree to make the payment in full.
许多客户希望使用云计算服务，不再需要购买计算机和软件，这样他们只需要按月付费就能保证系统的正常运转。
Instead of buying computers and software, many want "cloud-computing" services in which they pay monthly fees to companies that run the software for them.
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