Add some old lumber strain and lumbar intervertebral disc and bone hyperplasia, waist was often pain and discomfort, if put on waist trousers, mouth too close to the body healthy influence is bigger.
再加上有些老年人有腰肌劳损和腰椎间盘突出以及骨质增生的毛病，腰部本来就经常疼痛和不舒服，如果再穿上腰口过紧的裤子，对身体健康的影响就更大了。
Butterfly valve through the valve shaft rotation to drive the rotation of a disc-shaped disc, to open and close a valve, cut off from the main pipe and throttle with.
进口蝶阀是指通过阀轴旋转来带动一个圆盘形的蝶板的转动，达到开启与关闭的一种阀门，在管道上主要起切断和节流用。
Butterfly valve is closed parts (valve flap or disc for disc), around the valve axis of rotation to achieve the open and close a valve, in the pipeline mainly as shut off and throttling effect.
蝶阀是指关闭件(阀瓣或蝶板)为圆盘，围绕阀轴旋转来达到开启与关闭的一种阀，在管道上主要起切断和节流作用。
Put the CD into the disc tray, then close the tray.
把CD放入光碟托盘，然后关闭托盘。
Also known as butterfly flap valve imports, is to open and close with a round disc with the stem pieces and turn to open, close and adjust the fluid channel of a valve.
进口蝶阀又叫翻板阀，是用圆形蝶板作启闭件并随阀杆转动来开启、关闭和调节流体通道的一种阀门。
Avoid bumping and the valve is in full close in order to avoid damage of disc and driving part.
运输时应避免撞击三、四通溜子，应处于全闭位置以防在运输中分料板和传动部件损坏。
There is limit block on the valve disc to ensure the open-close position , which is controlled by the stroke switch.
阀门的启闭位置由行程开关控制，且阀板上设有限位挡块以保证阀板的启闭位置。
VTLEBUF01 electric high vacuum butterfly valve USES electric device to drive the stem disc to perform open close action.
VTLEBUF 01型电动高真空蝶阀是以电动装置驱动阀杆与阀板执行启闭动作。
Each arc must be clearly presented as a distinct quarter-circuit or more with the disc close to the vertical.
每条弧度必须清晰的展示出四分之一垂直圆盘运动。
The valve's disc is ball with hole and driven by stem to open and close.
球阀是带圆形孔的球体作启闭件， 球阀球体随阀杆转动， 针阀以实现启闭动作。
GID electric high vacuum butterfly valve USES electric device to drive the stem and disc to perform open and close action.
GID型电动高真空蝶阀是以电动装置驱动阀杆与阀板执行启闭动作。
Outer disc, after opening this morning, as the market atmosphere heating up, Middle spot price to us $ 1300 gets close, mainstream settlement reached in the vicinity of us $ 1290-1295.
外盘方面，上午开盘后，随着市场气氛升温，台产现货报价多往1300美元靠拢，主流成交在1290-1295美元附近达成。
Electric high vacuum butterfly ValveGID electric high vacuum butterfly valve USES electric device to drive the stem and disc to perform open and close action.
真空阀门系列：gid型电动高真空蝶阀的详细资料：gid型-电动高真空蝶阀gid型电动高真空蝶阀是以电动装置驱动阀杆与阀板执行启闭动作。
VTLEBUF01 electric high vacuum butterfly valve uses electric device to drive the stem and disc to perform open and close action.
电动高真空蝶阀是以电动装置驱动阀杆与阀板执行启闭动作。
VTLEBUF01 electric high vacuum butterfly valve uses electric device to drive the stem and disc to perform open and close action.
电动高真空蝶阀是以电动装置驱动阀杆与阀板执行启闭动作。
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