V. Personnel in charge of keeping the other seal shall recheck the filled cheque, and affix the seal after confirming no error.
负责保管另一枚印章的人员，应对填写的支票进行二次复核，复核无误后加盖印鉴。
This paper introduces a reciprocating seal with high pressure and small size. The seal is composed of rubber V-ring and PTFE V-ring, and has long lifetime, good sealness and low friction coefficient.
本文介绍了一种用于高压小尺寸往复密封中，具有寿命长、密封性好、摩擦系数小的组合密封，即V型橡胶圈和V型PTFE圈组合密封。
V-packings: Self-adjusting, spring-loaded, double V-packings maintain constant high pressure seal compression and extend seal and plunger life.
密封：自动调节，弹簧底座，双层V-密封维持高压密封和延长密封与柱塞寿命。
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