depth of pumtube installation descent control device
Related Translations:
深度: 1.(深浅程度) degree of depth; depth 短语和例子河水的深度 the depth of the river; 通过疏浚保持河道的深度。 the depth of the river is maintained by dredging.2.(触及事物本质的程度) profundity; depth 短语和例子一篇表现出思想深度的文章 an articl
