closing device

基本解釋

Doors of engine casing and stair casing on main deck are of fire doors with self-closing device.
主甲板機艙棚圍壁和梯道環(huán)圍等處安裝的門為帶閉門器的防火門。
The utility model relates to a slide block-connecting rod type door cover opening and closing device, which is suitable for being used in the fields of vessels, vehicles, hydraulic engineering, etc.
本實用新型涉及一種適于在船艦、車輛、水利工程等領域使用并采用動力缸驅動的滑塊- 連桿式門蓋啟閉裝置。
ip.com
It includes rotary disk device, injection moulding device and mould-closing device.
所述轉盤裝置包括可旋轉的圓盤和驅動所述圓盤旋轉的驅動裝置；
ip.com

To emphasize how Autonomy would transform HP into a software giant focused on high-profit business customers, and, perhaps, to forestall some nagging questions about PCs and the tablet failure, HP also announced that it was exploring the sale or spinoff of the PC business and that it was closing the WebOS device business.
FORBES: HP's $12 Billion Conference Call