... substitute formation 替代形成 adapter substitute 转换接头 diamond substitute 钻石代用品 ; 金刚石代用品 ...
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转换接头 （KT- QC）液压连接件,恒温恒湿箱,干燥箱,防潮箱,防潮柜,培养箱,气候箱,植物生长箱,安全柜,艾默生,里奇,煤炭教学演示,SPC,NEWPIG,钮匹格,大...
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它是个上端为钻杆母扣或者由壬，下端为套管公扣，内空心的转换接头。
Its upper end is drill pipe box or union, the nether end is casing pin. It is a crossover with hollow inside.
本装置由高压防喷管、高压防喷盒、高压注脂泵、高压密闭闸门及转换接头等组成。
This setting was constituted by high-pressure lubricator, blowout preventer, injection oily pump, closed gate valve and conversion tie-in.
本实用新型灯具转换支架通过设置一连接板连接固定二转换接头， 方便用户安装使用。
The utility model of the lamp switching support is convenient for users to install and use by arranging a connection board to fix the two switching nodes.
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