zero-length spring 零长弹簧 ; 零长式弹簧
zero-initial-length spring [地物] 零长弹簧
zero-length spring gravimeter 零长度弹簧式重力仪 ; [地物] 零长弹簧重力仪
metal zero-length spring 金属零长弹簧
spring compressed length 弹弓压缩量 ; 弹弓紧缩量
spring length 弹簧长度
compressed spring length 压缩弹簧长
effective spring length 有效弹簧长
precompressed spring length 弹簧预压缩量
length transfer pipe and spring 送料管及弹簧长度
This paper describes the automated Burris metal zero-length spring gravity meter produced by the Zero-Length Spring Corporation, USA, which is an upgrade of LaCoste & Romberg land meters.
美国零长弹簧公司（Zero-Length Spring Corporation）生产的贝尔雷斯（Burris）金属零长弹簧自动重力仪，是拉科斯特-隆贝格（LaCoste&Romberg）陆地重力仪的升级产品和重大改进。
Spring starts when the day and night are the same length.
当白天和黑夜一样长时，春天就开始了。
As the application window expands or contracts, this space will scale in proportion to the length of the spring.
如果应用程序窗口扩展或收缩，这块空间也会根据弹簧长度成比例地伸缩。
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