swivel disc 中文意思是什麼
swivel disc
解釋
可轉動的閥盤-
Disc stem nut : disc stem ring connects the disc to the stem, permitting the disc to swivel and aid in securing tight seating for trouble - free service
閥瓣閥桿螺母:閥瓣閥桿環將閥瓣連接到閥桿上,使得閥瓣能夠旋轉,並有助於保證閥座地緊密密封和無故障運行。 -
Technology design and application of the swivel disc box steel castings in drilling machine
鉆機轉盤體鑄鋼工藝設計及應用
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