钻一个洞，是在中央，这是一个心轴螺栓，使其余的加工操作可以执行。
A hole is drilled in the center and it is bolted to a mandrel so that the rest of the machining operations can be performed.
第二阶段使用新的中央处理设施对油田剩余部分的进行后期增量开发，并计划在2017年钻取7口新井。
Phase 2 covers the subsequent incremental development of the rest of the field with a new Central Processing Facility and seven new Wells expected to come on stream during 2017.
利用通用的微电极夹持器在其抽吸负压的侧管上方钻一斜孔直通夹持器中央管腔。
An oblique hole through the glass pipette holder above the lateral hole for cell seal suction is drilled, through which a microcatheter o.
应用推荐