shutoff device meaning in Chinese

关闭装置
切断装置

Automatic gas shutoff devices for hot water supply systems same as csa 4 . 6b
热水供应系统用自动燃气切断装置
Automatic gas shutoff devices for hot water supply systems same as csa 4 . 6a
热水供应系统用自动燃气切断装置
Wastewater treatment plants - trough with shutoff device - main dimensions
废水处理设备.闸门式流槽.主要尺寸
Automatic gas shutoff devices for hot water supply systems same as csa 4 . 6 - 1998
热水供应系统用自动燃气切断装置
Relief valves and automatic gas shutoff devices for hot water supply systems ; addenda
热水供给系统的安全阀和气体自动关闭装置.补充件

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