All showrooms are staffed during opening hours.
所有样品陈列室在营业时间都配备了人手。
Eight people carry the Olympic flag during opening and closing ceremonies.
在开幕式和闭幕式上，有八位旗手护送着奥林匹克旗。
Hinge products of Mingmen are finely processed with advanced equipment, and they operate smoothly during opening and closing.
名门合页系列产品，采用先进的设备精细加工而成，产品开合更平滑顺畅。
Stem to wedge connection is inside the seating faces supporting the wedge ears during opening. More robust with less mass.
在开启期间，阀杆与楔板的连接位于阀座表面支撑内。既降低重量，又增加稳固性。
According to singing principle, break will take place when singer cannot coordinate breath during opening and closing of the glottis.
根据这个原理，当歌唱者在声门的“冲开”和“闭合”环节上不能与气息相辅相成地协调工作时就会产生破音。
According to singing principle, break will take place when singer cannot coordinate breath during opening and closing of the glottis.
根据这个原理，当歌唱者在声门的“冲开”和“闭合”环节上不能与气息相辅相成地协调工作时就会产生破音。
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