系杆,吊杆

sag rod的用法和样例：

例句

Their power was also increased by introducing a control rod which moved up and down with the beam.因为增加了一根随着吊杆上下移动的控制杆，发动机的功率也增大了。

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学英语单词

adish

aedes (finlaya) formosensis

air inlet screen

allochthonous species