当测量小扭力时，用细弹簧替换粗弹簧。
When measuring the lower torque, replace to with a liny spring.
他运用娴熟的技巧，把一根细弹簧设成了一个陷阱，想捕获安逸和自立，但是还没等转身，自己的一条腿就陷了进去。
With consummate skill he has set his trap with a hair spring to catch comfort and independence, and then, as he turned away, got his own leg into it.
他运用娴熟的技巧，把一根细弹簧设成了一个陷阱，想捕获安逸和自立，但是还没等转身，自己的一条腿就陷了进去。
With consummate skill he has set his trap with a hair spring to catch comfort and independence, and then, as he turned away, got his own leg into it.
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