论文部分内容阅读
我队钻探水接头多漏水,为此,王玉文同志创造了一种不漏水的水接头。其构造如图所示。图中(?)为进水水龙带;水接头心子1上装有径向滚珠7和推力滚珠
My team drilling more water leakage joints, for which, Comrade Wang Yuwen created a water-tight water joints. Its structure as shown. The figure (?) For the water hose; water connector on the heart 1 is equipped with a radial ball 7 and thrust ball