计算该段风管实际平均运转静压，选择泄漏等级（LEAKAGE CLASS）CL，由于本案均为矩形风管且依约规定填缝等级（SEAL CLASS）为A CLASS，故泄漏等级（LEAKAGE CLASS）CL＝6。
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VALVE LEAKAGE CLASS 阀门泄漏等级
LEAKAGE CLASS IV 泄漏等级
LEAKAGE CLASS ANSI 泄漏等级
two class leakage protection 二级保护
We Class Heating Leakage 我们班暖气漏水
On-off valve shall be pneumatic ball valve, and the leakage class is V or VI. All the valve accessories such as limit switches, solenoid valves and filter regulators shall be supplied with the valves.
切断阀采用气动球阀，泄漏等级为V或VI级，限位开关、电磁阀、空气过滤减压阀等应随阀成套供货。
One of the reasons why this is usually the case is to do with class leakage across module boundaries.
之所以这样，原因之一是跨越模块边界的类泄漏。
In order to improve both charge current and transfer efficiency via a lower coupling coefficient inductive link, class E power amplifier based on primary leakage inductance and compensat.
在低耦合系数条件下 ，通过基于初级漏感的E类功率放大器和次级漏感的补偿方法 ，提高电容充电电流和传输效率。
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