MIDDLE-HOLE
网络释义：中洞；腰孔；中孔
网络释义
1.中洞 ... ) middle outlet works 中孔泄洪洞 ) middle hole 中孔 ) mesoporous carbon 中孔碳 ...
例句释义:,中洞,腰孔,中孔1.It should be a part of it, connected with pole through the middle hole.是应该还有一部分，用通过中心孔的杆连接。
2.The secondary windings and iron core are insulated by epoxy resin. The middle hole is used for busbar going through and mounting.二次绕组及铁芯均浇注在聚脂树脂内，中间窗孔供一次母线穿过及安装用。
3.The middle hole is used for cable going through.中间窗孔供三相电缆穿过。
4.On cast-in-place pile construction of middle hole of bridge and quapty control浅谈桥梁冲孔灌注桩施工及质量控制