Spring barrel 弹簧锁定装置 ; 发条盒
chronometer main spring barrel 天文钟主发条盒
SPRING BARREL STOPWORK 发条盒掣停装置
barrel compression spring 鼓形压缩弹簧 ; 鼓形压缩
barrel-shaped spring [机] 中凸形螺旋弹簧 ; [机] 鼓形弹簧
barrel spring 圆筒形弹簧
Barrel shaped helical spring 中凸形螺旋弹簧
Barrel Spring Toenail Nipper 弹簧脚甲钳子
barrel locking spring 枪管锁掣 ; 枪管锁定弹簧
Oil prices have more than doubled from the low point they hit in the spring, but are still around half the all-time high of nearly $150 a barrel they reached in early summer last year.
比起今春的价格低谷,油价如今已涨了一倍多,但这仍只是去年初夏创纪录的每桶近150美元价格的一半左右。
The corresponding upgrading models were: spring wooden barrel model, strategy coalition model and virtual enterprise model.
对应的提升模式采用弹簧木桶模式、战略联盟模式和虚拟企业模式。
The barrel began to spring a leak .
那个木桶开始破裂泄漏了。
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