车有螺纹的颈环固定在钢瓶的锥形端，可以安装保护性瓶帽。
A threaded neck ring is secured to the tapered end of the cylinder to allow a protective cylinder cap to be installed.
英式马缰是一条长皮带，两端固定在衔铁上，搭放在马颈上方。
English REINS are one long leather strip that attaches to each side of the bit and hangs on the back of the horse's neck.
按照标准操作规范，颈动脉超声包括颈总动脉、颈动脉杈及近端颈内动脉的两维(纵切面和横切面)图像。
Carotid ultrasound was by a standard protocol that consisted of two images at the common carotid, bifurcation, and proximal internal carotid arteries.
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