In the contact tower, a new type of filter was used to prevent blocking.
本文选用了一种新型的填料,克服了接触氧化塔易发生堵塞的缺点。
Follow the missed approach procedure climbing to XXm and contact tower on 118.1.
按照失去进近程序爬高至…。米,在118.1联系塔台。
The Russian aviation workers in the control tower tried to make contact with the ship.
航空控制塔上的工作人员试图和飞船取得联系。
The pilot lost contact with the control tower .
飞行员与指挥塔失去了联系。
Since then, the pilot hadn't had any further contact with the control tower.
之后,这名驾驶员并未再与塔台做任何连系。
Since then, the pilot hadn't had any further contact with the control tower.
之后,这名驾驶员并未再与塔台做任何连系。
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