?扇形炮孔组
... fan-shaped reed ==> 扇形筘 fan-shaped round ==> 扇形炮孔组 fan-shaped tail ==> 扇状彗尾 ...
?扇形掏槽
... 漏斗形掏槽 crater cuts 扇形掏槽 fan cur; fan cut; fan-shaped round 双楔形掏槽 double wedge cut ...
扇形炮眼组
扇形孔爆破施工
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。