self packing 自密封
self adjusting packing 自调节填料密封
self-sealing packing 自紧密封
self-seal packing [机] 唇形密封圈
self seal packing 唇形密封圈
self sealing packing 自紧密封
It is not just fear of ridicule that restrains my packing, but a sense of self-preservation.
我控制自己的行李量,并不是害怕被人嘲笑,而是一种自我保护。
A hydraulic setting anchor of type GY241, and a double packing ZY331 back washing packer features in self pack and rubber sleeve pack are developed.
研制了液压坐封gy241型锚定器和“自封与压缩胶筒”双重密封的ZY331型反洗封隔器。
My company's main products - galvanized steel sheet packing companies have self-developed new products.
我公司的主要产品—— 镀锌钢片包装箱系公司自主开发的新产品。
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