straight tension rod

例句：

1. 1. The straighttension rod is used to hold the heavyobject in place.
   直线张力杆用于固定重物。
2. 2. The engineer carefully measured and adjustedthe straight tension rod to ensure accuracy.
   工程师仔细测量并调整了直线张力杆以确保准确性。
3. 3. The straight tension rod was acrucial component of the new machine'sdesign.
   直线张力杆是新机器设计中的关键部件。