Trunk Tester is equipment that is used to test trunk transmission equipment of the communications system.

干线综合测试仪是对通信系统中的干线传输设备进行检测的仪器。

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Sacroiliac joint complex is the hub transmission load of trunk and lower limb, unstable pelvic fracture always involves the sacroiliac joint injury.

骶髂关节复合体是躯干与下肢负荷传递的枢纽，不稳定型骨盆骨折常涉及骶髂关节损伤。

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Optical fiber transmission has also become the major means of communication, particularly in the trunk communication network.

光纤传输也已成为当前通信，特别是干线通信的主要手段。

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The underwater trunk transmission line carrying the power from the wind farms to shore has to be built.

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