1) round-head bolt,snap head bolt,button head bolt,case bolt
圆头螺栓
2) cup square neck bolt
杯形方颈圆头螺栓
3) Round head
圆头
1.
Round head of plate will increase shear amount of plate,which could reduce the plate yield.
钢板圆头会增加钢板的切损量,影响成材率。
4) round headed sperm
圆头精子
1.
In order to reveal proteins differentially expressed in round headed sperm in human being, two dimensional gel electrophoresis and mass spectrometry were performed on 30 normal sperm samples from 10 fertile men and 3 sperm samples from a globozoospermic patient.
圆头精子症是一种表现为顶体缺失的男性不育症。
5) round-nosed steel projectile
圆头钢弹
1.
Shock initiation behaviors of PBX-9404 impacted by round-nosed steel projectiles were studied numerically by means of adding two kinds of reaction-rate into two-dimensional finite element code DYNA2D.
在二维有限元动力分析程序DYNA2D中加入了两种反应速率模型 ,对圆头钢弹撞击PBX 940 4炸药的冲击起爆行为进行了数值模拟研究。
6) globular model
圆头形
参考词条
补充资料：螺栓连接式平封头
分子式：
CAS号：
性质：又称螺栓连接式平盖。此类封头一般均采用大型锻件制造而成，采取以螺栓连接方式与简体端部相接的称为可折式平封头。由于这类封头显得较为笨重，近年来在大直径高压容器上很少采用，一般用作压力容器的人孔、手孔的盖板和小直径高压容器的端盖等。
CAS号：
性质：又称螺栓连接式平盖。此类封头一般均采用大型锻件制造而成，采取以螺栓连接方式与简体端部相接的称为可折式平封头。由于这类封头显得较为笨重，近年来在大直径高压容器上很少采用，一般用作压力容器的人孔、手孔的盖板和小直径高压容器的端盖等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。