A bar of iron is solid; a pipe is hollow.
铁棍是实心的, 而管子是空心的.
To take samples that retain the larger structure of the sediment, a core sampler is used.
为了保持样品沉积物的层次结构, 就要用空心铁管采样器.
词典精选例句
The stressmeter consists of a short solid or thick hollow cylinder of birefringent material.
应力计由双折射材料制成的实心短圆柱体或厚壁空心短圆柱体构成.
词典精选例句
A thin, hollow needle was carefully introduced into the patient's abdomen.
一根细空心针被小心地插入病人腹部.
《简明英汉词典》
All the units employ hollow burned-clay blocks as the basic raw material.
所有构件都用空心陶土砖做基本原料.
《简明英汉词典》
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