Some people require the mechanical support that a running shoe offers.
一些人需要跑鞋提供的那种机械支撑。
I plant on Shoufu production and the main phase of the mechanical support.
我厂主要生产和小手扶相配套的机械。
Structural roots: large roots that have undergone considerable secondary thickening and provide mechanical support to woody plants and trees.
结构性根源:大根和树木已经历了相当大的次生加厚,并提供机械支持木本植物。
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