双: two; twin; both; dual动弹: move; stir簧: reed spring铰链: hinge; butt hinge; gemel; co ...弹簧铰链: spring hinges双弹簧铰链: double spring hinge单双弹簧铰链: single &am double action ring hinge; single &double action spring hinge弹簧铰链；“弹弓铰”: spring hinge黑漆弹簧铰链: black japanned spring hinge双面弹簧铰链: double action spring butt hinge双向弹簧铰链: double-acting spring butt单动 黑漆单弹簧铰链: singleaction黑漆单弹簧铰链: single action black japa ed ring hinge; single action black japanned spring hinge黑漆纱门弹簧铰链: black japanned screen door spring hinge黑漆双弹簧铰链: double-actio lackjapa ed ringhinge; double-action black japanned spring hinge; doubleaction black japanned spring hinge平头单向弹簧铰链: flat head single action ring hinge; flat head single action spring hinge黑漆单弹簧铰链 黑漆双弹簧铰链: blackjapannedspringhinge弹簧铰刀: spring reamer双动铰链: double acting hinge; doubleacting hinge摆动弹簧箱: swing needle box传动弹簧: drive spring; driving spring传动弹簧盒: drive spring pocket从动弹簧: follower spring递动弹簧: graduating ring; graduating spring递动弹簧套: graduating sleeve; graduating spring sleeve
