For my purposes, these are heavierduty than I need.
比起我的目的来说，这些责任比我需要的更大。
2
New materials and heavierduty ends add to the boom supports' strength.
在机尾承托管道上加上了新物料和耐用末端有助加强承托力。
3
You can make additional improvements for scoring documents and generating more appropriate keywords, but let's move on to integrating some heavier-duty tools for performing text analysis.