Reluctometer
磁阻签质仪(检查钢制品质量)
🗣️ 情景例句
I didn't mean it that way.
事情闹成那样并非我的本意。
No sweet without sweat.
没有辛勤的劳动就没有甜蜜的收获。
After switching on powerful arc lights, they saw great stalagmites -- some of them over forty feet high -- rising up like tree-trunks to meet the stalactites suspended from the roof.
他们打开强力弧光灯，看见一株株巨大的石笋，有的高达40英尺，像树干似地向上长着，与洞顶悬挂下来的钟乳石相接。