... bottom ratchet wheel 下棘轮 feed ratchet wheel 进给棘轮 star ratchet wheel 星形锯齿轮 ...
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The ratchet wheel and pawl of automatic knife feed mechanism in PASSIM80 cigarette maker had to be replaced frequently because of serious wear.
针对PASSIM 80卷烟机刀头自动进刀机构存在进刀棘轮、棘爪磨损较快，更换频繁等问题，对该机构进行了改进。
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