Objective The effect of clasp on the health of abutment teeth.

目的初步探討可摘局部義齒卡環(huán)對基牙健康的影響。

Objective To study the relationship between the depth of abutment undercut and the retention of gold alloy clasp.

目的 研究金合金卡環(huán)固位力與卡環(huán)臂進入基牙倒凹深度間的關(guān)系A片免费看看看看看看看看看看。

After five years of development,plastic products factory has become the industry's first "one-stop" supplier of underwear accessories, products covered by transparent straps, strapless matte, diamond straps, printing aiguillette, silicon plastic straps, bra oil bag, elastic band, bust back clasp, buckle plastic package, breasted, and many other varieties.

經(jīng)過五年的發(fā)展在线观看中文字幕2020，振泰塑膠制品廠已成為同行業(yè)中首家"一站式"內(nèi)衣輔料供應(yīng)商国产一级中国美国毛片，產(chǎn)品涵蓋透明肩帶激情小说激情视频激情电影激情图片，磨砂肩帶99re免费99re在线视频，鉆石肩帶，印花肩帶男女网站永久免费精彩视频，硅膠肩帶亚洲最大欧美日韩视频，文胸油袋，松緊帶，胸圍背扣h网站在线看免费，包膠扣好大好硬好爽高潮视频，排扣18岁以下禁视频免费网站，等多個品種3344视频。

In their sharp-sightedness, if not much else, here weretwo men who could clasp each other appreciatively by the hand.

如果能拋開其他一切的話，他們睿智的眼光所觸av网站啊啊啊啊，將是兩個相互之間惺惺相惜的人物在线看片无码永久免费A，雙手緊緊地握在一起。

Stephen with hat ashplant frogsplits in middle highkicks with skykicking mouth shut hand clasp part under thigh.

他閉著嘴欧美AAA性爱网站，半撂著的手放在大腿下性欧美国产片。槌子丁當(dāng)鏗鏘咚咚亂響，吹號角的嗬嗬地吹著一级特黄a大片录像高。

The rotor, supported by babbitt metal made bearing, suspends on the bearing pad thanks to oilfilm lubrication by the fuel feeding system. The end clearances can be adjusted automatically to make oilfilm on both ends the same thickness and ensure no leakage. Compared with screw compressors whose output ends would clasp, this compressor has no possibility of the bearing and rotor biting together.

采用航空級的巴氏合金軸承支撐的轉(zhuǎn)子在线亚洲精品，通過供油系統(tǒng)提供的油膜潤滑：轉(zhuǎn)子能懸浮與軸瓦上，并自動調(diào)節(jié)端面間隙欧美黄色网站吗，使兩端油膜厚度相并無泄露欧美日韩AⅤ精品视频，該軸承能保證轉(zhuǎn)子軸絕無咬死之可能，而螺桿壓縮機因受軸向力的作用排氣端間隙可以直接进入毛片的网站，容易有咬死无码视频一区二区三区无码，抱緊現(xiàn)象。

The slightly asymmetrical design adds interest, and the hinged construction and sliding bar clasp make it easy to slip over the wrist.

稍不對稱設(shè)計增加了興趣国产精品拍在线天天更新，鉸鏈建設(shè)和滑動桿扣可以很容易滑倒在手腕上小辣椒视频安卓版下载。

Why my hands are so blundering today,as if It can't clasp the shirt.

今天早上我的手怎么這么笨呢，好像連襯衫都扣不上了国产精品黄色视频哪里有。

Elegant pendant includes an 18 L sterling silver box chain with spring ring clasp and is tarnish resistant.

優(yōu)雅的吊燈毛片网址免费，包括一個 18的L純銀框鏈彈簧圈扣，是耐玷污日韩可以在线观看的黄色网站。

Elegant pendant includes an 18 sterling silver box chain with spring ring clasp and is tarnish resistant.

優(yōu)雅的吊燈午夜东京热精品久久，包括一個 18純銀框鏈彈簧圈扣，是耐玷污免费无码视频在线观看我网站。