?椭圆头铁螺钉
... iron screw with flat head 平头铁螺钉 iron screw with oval head 椭圆头铁螺钉 iron screw with round head 圆头铁螺钉 ...
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。