... post-tensioned prestressed concrete structure 后张法预应力混凝土结构 presetting time 初凝时间 prestressed concrete structure 预应力混凝土结构 ...
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presetting g time 初凝时间
The electromagnetic circuit and the time presetting circuit are arranged in parallel and connected by the hitting button.
电磁电路和时间预置电路平行设置,两者通过打击按钮相连。
The power supply has some functions such as presetting voltage, stepping adjustment, displaying the output voltage signals and current signals at the same time.
该电源具有电压可预置、可步进调整、输出的电压信号以及电流信号可同时预示功效。
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