Where a commodity still cannot be used properly after being repaired twice within the guaranteed maintenance period, the business operator must be responsible for replacement or return.
在保修期内两次修理仍不能正常使用的，经营者应当负责更换或者退货。
Automatic replacement of solvents and waste discharge to avoid escape of toxic reagents, ensuring the operator and environmental safety.
自动更换溶剂和排出废液，避免有毒试剂外逸，保证操作人员及环境安全。
Since these must be fully operational 365 days a year, the replacement of prematurely worn belts and sprockets is, understandably, a major inconvenience for the operator.
因为这些都必须充分运作一年365天，更换过早磨损的皮带和链轮是可以理解的，为运营商的主要不便。
Since these must be fully operational 365 days a year, the replacement of prematurely worn belts and sprockets is, understandably, a major inconvenience for the operator.
因为这些都必须充分运作一年365天，更换过早磨损的皮带和链轮是可以理解的，为运营商的主要不便。
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