The sleeve has a dome-shaped shielding portion at one end, and a flange portion to be fixed to a modulator block at the other end.
该套有一个圆顶形屏蔽一端的部分，以及法兰一部分固定在另一端调制块。
The sleeve has a dome-shaped shielding portion at one end, and a flange portion to be fixed to a modulator block at the other end.
该套有一个圆顶形屏蔽一端的部分，以及法兰一部分固定在另一端调制块。
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