play a bit role 中文意思是什麼

play a bit role 解釋
跑龍套
  • play : vi 1 玩，玩耍，游戲；閑逛；〈方言〉罷工 （opp work）; （動物）跳來跳去，飛來飛去，翩翩飛舞。2 （...
  • a : an 用在以母音音素開始的詞前〉 indefinite art 1 〈普通可數名詞第一次提到時，冠以不定冠詞主要表示類...
  • bit : n 1 少許，一點兒，一些；（食物的）一口，少量食物。 〈pl 〉 吃剩的食物；小片。2 〈口語〉一會兒，一...
  • role : n. 1. （演員扮演的）角色。2. 任務；作用。
  1. Core guide groove plate and keys guide plate, they can be a very good guide insert the key - lock curve, they also can effectively prevent - line tools to open locks road allocated insert technology pellets, billiard and supporting anti - drilling unit has played backing billiard do not fall into the lock, they can effectively prevent the portable rechargeable electric drill - the penetrating, also can play a bit role jammed, they also can improve the defense lock drilling capacity and the ability to open devastating

    鎖芯導槽片和鑰匙導向片，能很好地引導鑰匙插入曲線式鎖道，並能有效地防止直列式開啟工具插入鎖道撥技彈珠，而彈子支撐防鉆片起到支撐下彈子不落入鎖道，並能有效地防止便攜充電式電鉆的鉆入，起到卡住鉆頭的作用，提高鎖具的防鉆能力和破壞性開啟的能力。
  2. The service life of cone bits which play an important role in breaking rock of the bottom of a well is almost directly decided by the life of bit bearing, which depends a large extent to the life of their seals

    牙輪鉆頭在井底破巖中起著主導作用，它的使用壽命幾乎直接取決于鉆頭軸承的壽命，而軸承的壽命在很大程度上有依賴密封的壽命。
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