词汇	heavy derrick step
释义	heavy derrick step 重吊杆基座
随便看	inserting Inserting algorithm inserting and extracting inserting and hiding Inserting and updating computed columns inserting-ang inserting angle Inserting cage in esophagus inserting coil inserting constrained boundary inserting constrained boundary algorithm inserting contour inserting control Inserting Controls Using the Caret inserting device inserting documents inserting during weaving inserting element algorithm inserting files inserting film inserting filters inserting force inserting gastric canal inserting gastric drainage tube inserting groove