head-rail 门框上帽头
double-head rail 双头轨
double head rail 双头轨条
bull-head rail 圆头钢轨
rail head 轨头
bull head rail 工字钢轨
head rail detail 船首栏杆
N the end of the table from which play is started, nearest the baulkline 离发球线最近和开局击球的一端 [billiards]
Roll-up blinds that have release clips right below the head rail on the backside of the blind are not included in this recall.
在百叶窗背后的上横杆正下方带有松开固定装置的卷轴式百叶窗不包括在本次召回中。
The jolt to the streetcar knocked the old man's head against a seat rail and drove Enzo to his knees.
对有轨电车的撞击使那个老人的头撞在一个座椅横档上，也撞得恩佐双膝跪在地上。
Among the most militant are Mark Serwotka—head of the Public and Commercial Services union, which looks after civil servants—and Bob Crow, who runs the Rail, Maritime and Transport union.
在其中，负责照管公务员的公共及商业服务会的Mark Serwotka以及运营铁道、海事和交通运输协会的Bob Crow最为积极。
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