Result evaluation and supplied air volume ascertainment of displacement ventilation 置换通风和效果评价及其通风量的确定
The sales amount of disposables, cartridge, supplied air and powered air account for the total sales of the respirator in turn were 39 %, 34 % and 22 %, 3M company shared the 84 % market. 用即弃型、滤芯型和供气型呼吸器的销售额依次占有呼吸器销售总额的39%、34%和22%,3M公司占有84%的市场份额。
Describes the concept of the supplied air with low velocity and slightly colder temperature from a diffuser close to the wall dropping and spreading on the floor. 阐述了稍低于室温的空气经靠墙散流器低速进入后,下沉于地面及扩散的概念。
Any room where gas is used must be adequately supplied with air. 任何使用煤气的房间都必须有充足的空气。
A weighted and hermetically sealed garment supplied with air; worn by underwater divers. 一种供给氧气、密封、笨重的衣服;供水下潜水者穿着。