Antenna Cap Material 天线罩材料
The police found a rag steeped in petrol as they entered the building, and the arrested man's cap was found close to other firing material.
当警察进入大厦时,他们发现了浸有汽油的衣物残片,在其他的引火物附近发现了该男子的帽子。
Its construction is divided into two parts, one is the lower part of the manhole cover, ensure that the level of it, it needs to be placed in the asphalt material, dealing with rigid cap.
它的施工分为两个部分,一是沙井盖下部部分,保证它的水平性,它需要被安置在沥青材料上,做好刚性盖的处理。
Two kinds of double cap metallic seal and an adhesive seal are developed for the purpose of the accounting for and control of nuclear material.
研究开发用于封存核材料的开启型防伪胶粘封记和双帽金属封记工艺及其制品。
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