Status Offline Perhaps the greatest obstacle to friendship in marriage is the amount a couple usually sees of each other.
对于婚姻中的友谊，也许最大的障碍是两口子经常在一起。
The present status abroad, domestic level and its application of filmatic bearing oil were described. The artificial obstacle about native production and hope in future were analysed.
介绍了油膜轴承油国外现状和国内水平及其应用简况，分析了油膜轴承用油国产化的人为障碍及今后国产化的希望。
The present status abroad, domestic level and its application of filmatic bearing oil were described. The artificial obstacle about native production and hope in future were analysed.
介绍了油膜轴承油国外现状和国内水平及其应用简况，分析了油膜轴承用油国产化的人为障碍及今后国产化的希望。
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