An often overlooked function of oil is ring and valve sealing.
一个经常被忽视的功能是环和油阀密封。
The make and construction technique of thin oil sealing dry gas tank are concluded.
对稀油密封干式煤气柜的制作与安装，进行了技术性总结；
Oil gate valve reasonable structure, reliable sealing, easy operation.
进口油用闸阀结构合理，密封可靠，操作轻便。
The plastic oil-sealing cover has deformed.
塑料油封盖变形了。
Product Description :reliable sealing of head configuration , beautiful shape, clear oil level instructions.
套管头部密封可靠，外形美观，油位指示清晰。
Product Description :reliable sealing of head configuration , beautiful shape, clear oil level instructions.
套管头部密封可靠，外形美观，油位指示清晰。
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