In general, a foot valve can be mounted if the pump is mounted above the water level of the water inlet so as to start the pump with priming, it can also use the way of vacuum pump water leading.
如水泵安装在进水水位以上时，为了灌泵启动，一般可装底阀，也可采用真空泵引水的方法。
Methods: Twenty-five dyslexic children and 50 control subjects (25 matched with chronological age and 25 matched with reading level) completed a masked picture priming experiment of pictorial stimuli.
方法：25名阅读障碍儿童和50名对照儿童(25名年龄对照，25名阅读水平对照)完成了一项掩蔽图形启动试验。
应用推荐