帮忙把汉语翻译成英语(有关二胡) 谢谢

Erhu structure is relatively simple, by Jean Launcher, piano-bar, piano, string axis, strings, bow rod, Gong Mao and extremely heavy, a bridge, and other components. Jean cylinders: is an important part of erhu, which through the sliding movement of the bow, wiped after the string vibration of piano sounds resonating body. Music: it is important pronunciation erhu body, is also a vibration source of critical, has a direct influence on the sound quality and volume. Piano bar: is the backbone of the erhu, is the trunk. Under continuous support role plays not only, but also have a certain impact on overall vibration pronunciation. Violin axis: two up and down, adjust the pitch, axis on tie plastic string, twisted shafts tied under the thinner outer string on the Huqin. Bow: erhu pronunciation is an important tool, by the bow and bow hair made up of two parts. Jin: fixed on the strings of the erhu, and string. The intonation has a certain impact. Bridge: is the vibration of medium between strings and piano, pronunciation is important. With soft lyrical features of the timbre of erhu, very rich sound of singing, just like people singing. This feature causes, depending on the tune a stringed instrument in which pitch on the one hand and the tension of the strings is suitable, partly because of the violin is made of Python skin on the side of the cylinder and Inner Mongolia. So, in General when playing without stopping and aggressive bowing, issue a calm, soft voice.

Erection size: a vertical rod of the horizontal distance 1.2m, a vertical rod longitudinal distance 1.5m, size bar step distance of 1.8 m;

The inner frame distance from the wall length 0.15m;

A large bar on lap in a small bar, the bar number 1;

The steel pipe type: 48 dia x 3.5

Cross rod and the vertical rod connecting mode of single fastener;

1.1 erection scheme and procedure

Landing scaffold erection sequence is as follows ( project only to see the 7 layer below the scaffolding and utility )

（1）The ground tamping, pole spacing according to the placement of prefabricated concrete cushion block.

（2）The erection procedures : placed a sweeping rod, by a vertical pole and a sweeping rod fastening, a sweeping rod small lateral pole and pole and a sweeping rod fastening to install first step large bar and rod fastening install first step, second step rail mounted a large bar install the third rail with the temporary braces ( the upper and the first major rail fastening, installing wall connecting rod after the demolition ), installed in third, four large bar and small bar, rod, connecting rod connecting wall with a scissors to spread sheet, rolling scaffold guardrail plate block feet, and set up safety net protection.

（3）The longitudinal ends along the scaffold and scaffolding outside corner, in every 9 M with inclined rod into scissors, top-down sequential setting, slant rod and ground into 45-60 degree angle, scissors pipe joint application of lap, lap length of not less than 40CM.

（4）The scaffolding outside since second steps, each step of 1.2M high protective railing and 30CM high block feet.

（5）The erection with a rod with correction of the vertical and horizontal deviation, while moderate tightening fastening, connecting rod fastener openings shall be toward the shelf, medial, bolt face, preventing entry of rain water.

（6）As the rod intersect protruding end is greater than 100MM, preventing rod slip.

（7）Scissors, erected to a slant buckle on the vertical rod, the other end button on a small rail extension, oblique rod fastener and the upright rod distance not greater than 200MM.

鹏仔微信 15129739599 鹏仔QQ344225443 鹏仔前端 pjxi.com 共享博客 sharedbk.com