查询词典 drill chuck

Then use a pin chuck to drill into the acrylic from the back.

然后用针钻夹头到丙烯酸从后面。

Mount the grinding needle head onto the drill collet chuck and tighten up with a key, start up motor and grind the holing needle.

将磨针头安装在钻夹头上，用钥匙固定锁紧开动电机，打磨钻针。

Mount the grinding needle head onto the drill collect chuck and tighten up with a key, start up motor and grind the holing needle.

将磨针头安装在钻夹头上，用钥匙固定锁紧开动电机，打磨钻针。

The use of the tapping chuck is particularly advantageous when working with the quick change system on drilling machines that allows to drill and tap in the same position without centring again.

另一优势的体现在这种快换的装置允许在同一个位置上钻孔或者是攻丝，不需要再做中心的调整。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。