旋回木盖。
Screw position at the back of the metering pump.
螺丝位置在计量泵的背面。
The door handle has come off. I'll screw it back on.
门把手掉了，待会我把它拧回去。
Place the screw back into the relief valve disc and tighten.
将螺丝放回到安全阀阀瓣内，并加以紧固。
重新旋上火花塞。
Screw the fixing ring nuts back on.
拧紧背面的固定环型螺帽。
Screw the fixing ring nuts back on.
拧紧背面的固定环型螺帽。
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