Fasteners--Split pin holes and wireholes
GB/T5278-1985紧固件开口销孔和金属丝孔
bolt or cotter-pin drill
螺栓或开尾销孔钻头
Having no opening; not perforated.
不开口的，不穿孔的
The opening of the iris is called the pupil.
虹膜的开口处叫做瞳孔。
A small opening or pore, as of a fruiting body.
小孔小的开口或小孔，如子实体的
"aperture: an opening, such as a hole, gap, or slit."
孔,洞: 开口,如洞、缝隙或缺口
An opening, such as a hole, gap, or slit.
孔，洞开口，如洞、缝隙或缺口
The diameter of such an opening, often expressed as an f - number.
孔径这种开口的直径，常以f数表示
Uranium dioxide pellets Determination of density and amount of open and closed porosity Boiling water method and penetration immersion method??
二氧化铀芯块? 密度和开口孔及闭口孔的测定? 沸水法和渗透浸没法
The mouthlike opening in a sponge, used to expel water.
出水孔海绵中象口一样的开口，用于排水
The opening in a bone made by surgical fenestration.
小孔由外科内耳开窗术在骨上切割出的开口
The key to ensuring good sales of our exports is to improve their quality.
要打开出口销路，关键是提高质量。
Remove cotter pins and nuts from drag link
从转向拉杆上拆下开口销和螺母。
I will talk when the failure remains silent.
失败者沉默的时候，我开口推销，
How to Develop Marketing of Public Praise in China
在中国市场开展口碑营销策略研究
A Strategy Study of Word-of-Mouth Marketing in Rural Market;
在农村市场开展口碑营销的策略研究
Develops the market marketing promotion harbor to develop;
积极开展市场营销 促进港口快速发展
Pins with split pin hole
GB/T880-1986带孔销