The tool for realizing the method is provided with a tubular forming mould, a tube raw material mandrel, a catheter mandrel and a forming mould mandrel.
实现上述方法的工具，设有管状成型模具，还设有管材原料芯轴、导管芯轴和成型模具芯轴。
2
The mandrel construction method was chosen because it was determined to be easier and less expensive than continuous sheet piling construction.
该轴的施工方法选择，因为它被确定为更容易和便宜，比连续资产负债表桩施工。
3
In the metallic tube producing method, a maximum diameter of the plug or tapered mandrel bar may be larger than an outside diameter of the mother tube.