The piercing perlite sound absorbing board comprises a perlite board, which is characterized in that a sag is arranged on the perlite board.
该穿孔珍珠岩吸声板包括珍珠岩板，其特征在于，所述珍珠岩板上设有凹陷。
Company products are: the wood is sound-absorbing board, wood silk is sound-absorbing board, cloth art is sound-absorbing board, fiber is sound-absorbing board, dry-hanging accessories etc.
公司产品有：木质吸音板、木丝吸音板、布艺吸音板、纤维吸音板、干挂装饰板等各种类型吸声材料及装饰板。
In order to trap the liquid foam and separate the water in the tail gas, a whirlwind board separator is installed in the top of the absorbing tower and a gas-liquid cyclone .
为了捕集液沫和分离尾气中水分，在吸收塔顶部增加了一个旋流板分离器，在吸收塔外增设气液旋风分流器的二级分离方案，以减少吸收液的损失。
A vacuum absorbing device absorbs the smooth plane of the extracting device and the socket connector is positioned on the circuit board, thus achieving the goal of automatic assembling.
利用真空吸取装置吸取提取装置的光滑平面以将插座连接器安装至电路板，达到自动安装的目的。
The head collision energy absorbing set connected to the switch board of automobile is one frame structure including one hollow cavity to hold the air bag assembly.
本发明公开了一种头部碰撞吸能装置，连接在汽车仪表板本体上，为框架形结构，包括一容纳气囊模块的中空腔体。
Wherein, the collector comprises a cover board, a heat insulating chassis, a heat absorbing plate, a heat pipe, a thermotolerant interlayer and a frame.
其中，集热器包括盖板、保温底盘、吸热板、导热管、耐温隔层、边 框。
Wherein, the collector comprises a cover board, a heat insulating chassis, a heat absorbing plate, a heat pipe, a thermotolerant interlayer and a frame.
其中，集热器包括盖板、保温底盘、吸热板、导热管、耐温隔层、边 框。
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