coring例句
Working principle and structural features of SYZX 75 wire - line
coring hydro - hammer are presented.
介绍了SYZX75型绳索取心液动潜孔锤的工作原理及结构特点.
A worker's arm was injured whilst operating a concrete
coring machine.
工人在操作混凝土钻孔机时引致手臂受伤.
The utility model discloses a core claw in a
coring tool.
本实用新型提供了一种取心工具中的岩心爪.