基本解释轮环夹英汉例句双语例句The gear rim , gear wheel and screw pole screw pairs of open-close draw stem drive the right and left valve body to clamp and release.启闭推杆通过齿圈、齿轮和丝杆螺旋副驱动左、右阀体完成松开、夹紧动作。wheel rim clamp更多例句