清齒環 的英文怎麼說
中文拼音 [qīngchǐhuán]
清齒環
英文
stripper loop-
Tooth discolouration can lead to intrinsic or extrinsic stains. intrinsic stains may be caused by tetracycline stain, excessive fluoride intake, pulp degeneration after tooth trauma and the presence of metallic restorative materials such as silver amalgam
外在變色是由於食物中的色素附在牙面上，形成斑漬，只要洗牙便可以清除這類斑漬。內在變色的其中一個原因是在乳齒或恆齒的形成過程中，受到一些藥物例如四環素的影響。Introduction is done to development and application of ring - spuntechnique beginning with hi - production carding machine and the associated accessories. conclusion is made that it is important to employ new clothing and to increase speed of taker - in roll and to employ seperating plate and rotating plate and self adjusted motion for high quality products
從高產梳棉機及與之配套的梳理器材等多方面入手，介紹了環錠紡梳理技術的發展和應用，認為採用新型針布、提高刺輥-錫林速度、刺輥下採用齒條分梳板、回轉蓋板反轉、錫林前後採用固定蓋板以及採用清梳聯和先進的自調勻整機構等各項新技術，對老廠設備改造、提高紡紗質量是十分必要的。Thereby measures for improvement are put forward : ( 1 ) adopting a small wheel to replace the steel ball of the ball type unit to ensure more reliable motion of the creeping device ; ( 2 ) applying expansible metallic ring replacing the step - by - step teeth on tooth type unit ; ( 3 ) fixing a sensor in the reversing device for obtaining the information of motion and wear of the creeping device
為此，提出改進措施： 1 .對球型步進式清蠟器採用帶穿軸的小輪代替鋼球，可使爬行器運動更可靠； 2 .對齒型步進式清蠟器，採用可脹緊金屬環代替步進齒，金屬環依靠抽油機的沖程力脹大后使爬行器固定，反沖程力使金屬環縮小； 3 .將傳感器裝在換向器內，根據信號的時間間隔判斷爬行器的運行速度及磨損等情況。
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