孔口

Clinical manifestations, sinus large多斤called antihelix feet above the ostium diameter is only about 1mm concave hole can emit a little white micro-foul secretions.

临床表现，窦道大多斤吁耳轮脚前上方，窦口为直径仅1mm左右的凹孔，可排出少许白色微臭分泌物。

Passing to diagnosis adopt coal machine framework oil seal leak oil,and the framework oil seal leak to oil contain two kinds of forms,a kind is in the bore and coalescence to leak the oil;a kind is an oil seal lips the and axis of revolution sport leak the oil.

通过对采煤机骨架油封处漏油的诊断，骨架油封处漏油有 2种形式，一种是在孔座与接合面处漏油；一种是油封唇口与旋转轴运动漏油。

The fourth milestone was in the embryonic stage of development . Vertebrates and echinoderms began to develop differentiated mouth structures from secondary openings off the blastopore ( an initial opening in the embryonic cavity ).

第四个重要事件出现动物的胚胎发育期，脊椎动物和棘皮动物开始在胚孔（即动物早期胚胎原肠的开口）相对的一端另行开口，并最终发育为成体的口。

Palatal fistulae were repaired by this method, 4 pedicled superior-anteriorly and 14 pedicled posteriorly, 7 of which got velopharyngeal incompetence correction at the same time. Results All of the patients got satisfactory fistula closure except 3 complications. One flap got partly necrosis and two got fistulae at the hard palate. However, the fistula sizes were reduced greatly and one has been re-repaired well by the transferred buccinator musculomucosal flap one year later.

结果：共修复腭瘘患者18例；其中15例腭部瘘孔获得关闭，颊肌黏膜瓣成活良好，无感染、腮腺导管损伤或阻塞、面神经损伤，无张口受限、瘢痕挛缩及咀嚼障碍；2例因岛状颊肌粘膜瓣远端愈合不良再次出现硬腭前端瘘口，但面积较原来明显减小，其中1例再发腭瘘应用已转移到腭部的颊肌粘膜瓣组织行二次手术修复后愈合；1例岛状颊肌粘膜瓣部分坏死。

The ciliated funnel - shaped inner opening of a nephridium into the coelom in some in vertebrates and lower vertebrates .

肾孔，肾口一些无脊椎动物和低等椎动物体内通向体腔的肾管纤毛，漏斗形，内部开口

The ciliated funnel - shaped inner opening of a nephridium into the coelom in some in vertebrate s and lower vertebrate s.

肾孔，肾口一些无脊椎动物和低等椎动物体内通向体腔的肾管纤毛，漏斗形，内部开口

Yun-strip method, the circle-shaped bath temperature higher than the crescent-shaped article transport transport of temperature, the temperature was higher than the crescent-shaped article transport serrated Article transported bath temperature, in the 12mm flat bottom welded seal, using serrated transport of , and with the magnitude and the swinging groove on both sides of the pause, effective control of the bath temperature, so that pore size of the melt is essentially consistent with the roots do not form a welding groove tumor and decrease the chances of burn-through, no penetration has The improvement of the peace panels of the single-sided welding butt welding flat-sided shape is no longer difficult.

运条方法，圆圈形运条熔池温度高于月牙形运条温度，月牙形运条温度又高于锯齿形运条的熔池温度，在12mm平焊封底层，采用锯齿形运条，并且用摆动的幅度和在坡口两侧的停顿，有效的控制了熔池温度，使熔孔大小基本一致，坡口根部未形成焊瘤和烧穿的机率有所下降，未焊透有所改善，使乎板对接平焊的单面焊接双面成形不再是难点。

Introduced is the experience in replacing atmosperic riser with thermal-isolation riser and improving pouring system to eliminate shrinkages.

文摘：介绍了用保温冒口代替大气压力冒口，改进浇注系统解决铸件缩孔问题的经验。

"Clarinet:a woodwind instrument having a straight, cylindrical tube with a flaring bell and a single-reed mouthpiece, played by means of finger holes and keys."

单簧管，黑管：一种管乐器，有直的圆筒形管身和一个外敞的管口及一个单簧吹口，以指孔和键的方式演奏。

A woodwind instrument having a straight, cylindrical tube with a flaring bell and a single-reed mouthpiece, played by means of finger holes and keys.

单簧管，黑管一种管乐器，有直的圆筒形管身和一个外敞的管口及一个单簧吹口，以指孔和键的方式演奏

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。