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A Type Wooden Ladder A字木梯
A-frame A型骨架
A-truss A型构架
Aandon 废弃
Abandoned well 废井
Aberration of needle 磁针偏差
Abnormal pressure 异常压力
abnormally high pressure 异常高压
Abort 中止
abrasion 磨损
Abrasion surface 浪蚀面
abrasive cut-off machine 磨切机
Abrasive Cutting Wheel 拮碟
abrasive grinding machine 研磨机
Abrasive Grinding Wheel 磨碟
abrasive particle 磨料颗粒
Absolute address 绝对地址
Absolute altitude 绝对高度
Absolute damping 绝对阻尼
