The United States VTON Granville shield imported pneumatic multi-stage step-down regulator valve, using the sleeve guide, pressure balanced valve.
美国VTON威盾进口气动多级式降压调节阀，采用套筒导向，压力平衡式阀芯。
My guide has silver bells sewn to his sleeve.
我的向导在他的袖口上缝有几个银铃。
Guide frame, tension sleeve and twisting copper sheathing are lubricated once per shift.
导向架和箍圈、扭转铜套，以上各点每班注油一次。
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