ram penetrometer

例句：

1. 1.The engineer used a ram penetrometer to determine the depth of the hole.
   工程师使用压入式测深仪来确定洞的深度。
2. 2. The ram penetrometer was used to measure the strength of the soil.
   压入式测深仪被用来测量土壤的强度。
3. 3.The ram penetrometer was used to test the durability of the concrete.
   压入式测深仪被用来测试混凝土的耐久性。