rigging-and-left-hand core

例句：

1. 1. The engineer designed a new rigging system for the construction site.
   工程师为工地设计了一种新的吊装系统。
2. 2. The left-handed core of the machine is responsible for its stability.
   机器的左撇子核心负责其稳定性。
3. 3. The core with left hand was used to make the machine more efficient.
   使用左撇子核心使机器更加高效。