密封标价销售 sealed bid sale
干密封标准型锥管螺纹 NPTF
密封标签 seal laber
封标拍卖 Seal-Bid Auction
API682密封标准 API 682 Seal Standard
德国密封标准 DIN seals standards
英国密封标准 BS seals standards
美国密封标准 ASTM seals standards
封标定价法 Sealed-bid Pricing
在一般情况下英式拍卖中卖者的期望利润随着投标者信念的增大而增大，而在第一价格封标拍卖中则恰恰相反。
At common instance, the seller's expected profit increase with the increase of the bidders common belief in the English auction however descend in the first price sealed auction.
高感度光电眼色标跟踪，数字化输入封切位置，使封切位置更加准确。
High sensitivity photoelectric eye color tracing, numerical input of cutting sealing position for extra accuracy.
高感度光电眼色标跟踪， 数字化输入封切位置， 使封切位置更加准确。
Sensitivity photoelectric eye tracking, digital input cut position which makes the cutting position more accurate.
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