Even the slightest advantage can win battles, so various weapons were designed to allow soldiers to see around corners, and fire around them behind the protection of a concrete wall.
即使只有一点点优势也可以赢得战斗，因此就设计出了各种各样的武器使得战士们可以看清拐角处并且在保垒墙的保护下射击。
The QTC compound building block is a new kind of wall material and has features such as sound isolation, fire protection, large lifting capability and easy construction and so on.
QTC复合砌块是一种新型的墙体材料，具有隔声、防火、轻质墙吊挂力大、施工方便的特点。
The utility model has the advantages of simple structure, easy fabrication and convenient operation and use, and a safety climbing tool is provided for fire protection and wall surface construction.
其主要有益效 果是为消防、墙面施工中提供安全可靠的攀爬工具，结构简单，制造容易，操作使用方便。
Building outer wall high temperature fire protection, sound-insulated noise reduction.
建筑物外墙高温防火、隔音降噪。
Building outer wall high temperature fire protection, sound-insulated noise reduction.
建筑物外墙高温防火、隔音降噪。
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