handle hole meaning in English

操作孔

White body lubrication glossy nubuck with the translucent water body formed contrast material , tai ping and the handle holes facilitate mobile operators
纯白的机体润滑光亮，磨砂的半透明水箱与机体形成材质对比，大而平的把手洞口便于移动操作。
Measures preventing a nd handling hole caving are given based upon analyzing various factors that infl uence hole wall stability including objective , technological , environmental and artificial factors
开挖期间进行了水平位移及沉降、深层位移、圈梁应力、水位及水量等项监测，对监测结果进行了分析，对监测发现的问题及时进行了处理，为基坑开挖提供了保障。