... head restraint || 头枕 head shaft || 主动轴，驱动轴 head space gas chromatography || 顶空气相色谱法 ...
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Head Shaft Localizer 轴头固定器
Head shaft angle 头干角
core shaft head 卷芯轴头
Over Head Cam Shaft 顶置凸轮轴 ; 顶置凸 ; 顶置 ; 顶置凸滑轮
head pulley shaft 主滑轮轴
Upper device — includes parts of upper casing, top cover, discharge outlet (with anti back feed plate), head shaft and backstop.
上部装置——有上部机壳、上罩、卸料口(装有防回料板)、头轴装配、逆止器等部件。
In order to improve the efficiency of the quality test and control of the head shaft of oil pump, we designed a general measurement apparatus for measuring the diameter of the head shaft.
为了提高机油泵主动轴的质量检验和质量控制的效率，设计了一个轴径通用检测装置。
They can break the brush head off and sharpen the shaft in seconds.
他们可以把牙刷头掰掉，几秒钟内把牙刷柄磨尖。
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