中国进出口商品检验局出具的品质、数量、重量合格证明一式三份。
Certificate of Quality, Quantity and Weight issued by China Commodity Inspection Bureau.
在袋装包装生产线上，为了保证重量合格，一般需要加装复检称，用来剔除不合格袋。
Generally, in the purpose of ensuring the packed bags to be qualified in weight, a rechecking balance will be added on the bag packing production line to get rid of the unqualified bags.
经常检查合格吊带的起重能力，并熟知钢丝绳夹角、钩挂等方面对减少钢丝绳起重量的影响。
Always observe the certified capacity of a sling and be aware of the reduction in sling capacity in respect of the sling Angle, choke and hitch etc.
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