起皺器 的英文怎麼說
中文拼音 [qǐzhòuqì]
起皺器
英文
creaser-
And her head jerked in spasms, making a spattering noise ; her antennae crisped and burnt away and her heaving mouthparts cracked like pistol fire
她的頭一陣痙攣，發出飛濺聲，她的觸角變皺然後燒沒了，然後她翹起的口器像手槍開火那樣破裂。Eaer to operate operate put the dress material on the machinestart pedal it can complete with nease change the lnob positon at the right side of the machine head it will realiz the change of stitch both upper and down adopting design of bearded needle it is unnecessary to thread the needle hat put the thread in the bearded needle feeding material in same step both upper and down sewing becomes moreasy cloth material wont be creased length of stitch distance will keep same wide working platform it is cibvebuebt abd flexible when sewing
操作簡便，操作員把衣料放在機器上，啟動踏板即可輕松完成，變換機頭右側旋轉轉鈕的位置，即實現上下珠點的變換，採用鉤針設計，無需穿線線，將線置於鉤針即可，上下同步送料，縫制更輕松，布料不會起皺，針距長短保持一致，寬闊的工作平臺，使縫紉時更方便靈活。Under internal pressure, equilateral frustum shell tends to wrinkle at the equator, and the circular degree of the obtained vessel is poor
摘要等邊雙圓錐臺殼體在內壓的作用下，赤道環焊縫處易產生失穩起皺，且脹形后所得容器圓度較差。Pointing to this problem, a numerical simulation was firstly carried out, and then some measures was taken to prevent the equator from wrinkling by slightly changing the shape of the frustum shell, as a result, the bulged vessel became more round
針對這一問題，對其脹形過程進行了有限元數值模擬，並通過改變圓錐臺的初始形狀，來保證容器的圓度和避免赤道處的失穩起皺。分享友人