down-hole equipment 井下钻具
pre-shear hole equipment 预裂孔配套设备
Shenzhen Shi Ding Ding Technology Co., Ltd. established in 2001, since 1998 has the largest, most sophisticated micro-hole equipment and technical capacity.
深圳市鼎鼎科技有限公司成立于2001年,自1998年拥有最具规模,最精密微小孔设备和技术能力。
It is expounded the characteristics of dust pollution of the area above raw material chute in iron works, as well as an application example of travelling vent hole equipment for dedusting.
叙述了炼铁厂原料矿槽槽上扬尘污染的特点,及“移动式除尘通风口装置”技术在槽上除尘的应用实例。
Buying the new equipment left a big hole in the company's finances.
购买新设备给公司的财政造成了一个大洞。
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