So that the first purchase will not spend the bulk of money, but also in order to win your customers give you such a concession, in addition to note recognition of the clothing care interference.
因此，第一个购买不会花大量的金钱，而且为了赢得客户，除了给你作出这样的让步，要注意照顾的服装干扰承认。
Chapter 2 first determines the structure of the spool interference seal and discusses the choice of the magnitude of interference, in order to provide a basis for future processing.
第二章首先确定了阀芯过盈密封的结构，并探讨了阀芯过盈量的选择，为日后的加工提供了依据。
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