The injector base, fabricated by metal casting and stamping, is an important part in automobile oil circuits.
喷油器底座是汽车油路中的重要部件，由金属精密冲压、内圆磨削而成。
The base of the injector head is secured to the wellhead pressure-control equipment by the stripper assembly mounting system.
注入头的底部由环状橡胶芯子固定系统固定于井口压力控制设备。
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