Chinese translation for "closed back"

鞋后密口

Example Sentences:

	1.	Xf slowly - closing back vavle - changmao Xf型橡胶缓闭逆止阀- changmao
	2.	The beach was closed back in 1981 when water quality hit alarmingly low levels 过去的青山湾污染非常严重，水质极差，因此在1981年开始关闭。

Similar Words：

"closed association" Chinese translation, "closed atrial septectomy" Chinese translation, "closed atrial septostomy" Chinese translation, "closed automatic route restorable system" Chinese translation, "closed autotest" Chinese translation, "closed ball" Chinese translation, "closed ballot" Chinese translation, "closed bank" Chinese translation, "closed barge carrier system" Chinese translation, "closed basin" Chinese translation