高颈 meaning in Chinese

hubs on flanges

Hubbed slip - on flanges for welding ; nominal pressure 16
焊接用高颈松套法兰.公称压力16
Hubbed slip - on flanges for welding ; nominal pressure 10
焊接用高颈松套法兰.公称压力10
This vase has wide mouth , long neck , round body , and a little widened base
此尊广口与圈足外擞、长颈、圆腹、高颈。
Assembly tools for screws and nuts - double - headed , deep offset and modified offset , box wrenches - length of wrenches and thickness of the heads
螺钉和螺母用装配工具.双头高颈和矮颈套筒扳手.扳手长度和头部厚度