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- semielliptic spring
- bow spring
- coach spring
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loop,
loop gain,
loop line,
loopback,
loop-coil,
loop-coupled,
looped,
looper,
loop-film,
loopful,
相似单词
弓弦,
弓弦乐器,
弓形,
弓形虫病,
弓形窗,
弓形弹簧,
弓形的,
弓形扭绞机,
弓形手钻,
弓形手钻嘴,