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1·Do you understand? Call the assistant driller (A. D. ) or derrickmen down to help us.

明白了吗？叫副司钻或井架工下来帮忙。 收藏。

2·We not only organized captains to proceed operation, but also looked upon the operation training to the post personnel, especially the driller, assistant driller, derrickman and crane driver.

我们不仅组织大班进行实操，同时也重视各岗位员工的实际操作训练，尤其对司钻、副司钻、井架工和吊机等岗位。