短语词组短語non -cylindrical coil 非圓柱形線圈a cylindrical coil 圓柱線圈Cylindrical coil compression spring 圓柱螺鏇壓縮彈簧cylindrical coil spring 高圓彈簧air -spaced cylindrical coil spring 大螺距圓柱彈簧coil cylindrical 筒形線圈 返回 cylindrical coil