Double-Sealing 及密封
double sealing 双密封
double sealing device 双密封装置
double-sealing fracturing 双封压裂
double sealing improvement 双密封改造
Steel double sealing cap 钢质双层密封盖
double-sealing and single-stick 双封单卡
Usage: suitable for double coils open armature iron core sealing after wire embedded.
用途：本机适用于双圈开口电枢铁芯嵌线后的封口。
Practice shows that the sealing reliability of MOA have been enhanced by using the double sealing and excluding traditional arc-isolating cylinder and FRP rode.
实践证明，采用双重密封结构，取消传统MOA中的隔弧筒和引拔棒，提高了MOA的密封可靠性。
The pot cover has applied double sealing.
锅盖采用双道密封。
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