球孔屬 的英文怎麼說
中文拼音 [qiúkǒngzhǔ]
球孔屬
英文
sphaeridiotrema-
Implants for osteosynthesis - bone plates - specification for holes corresponding to screws with asymmetrical thread and spherical undersurfaces
骨接合術用外科植入物.第23部分:金屬接骨板.第3節:不對稱螺紋球形底面螺釘的螺釘孔Results showed that the pollen grain of p. mira, which is used as material by sem for the first time, was nearly elliptic in shape and the extine pattern was simply striped with no pores
結果表明，光核桃花粉粒的形態呈橢圓球形，其外壁紋飾呈簡單的直紋平行型，無穿孔，是最原始的桃亞屬植物野生種，未發現與栽培種有直接的關系。Comprising a hollow metal - ball with orifices. the ball is joined to piston and cylinder. press the piston, water jets out of the orifices in all directions
由一個空心有孔金屬球和活塞筒組成。壓下活塞可以看到水嘴的水向四面八方噴射。Full bore nonferrous metal ball valves
滿孔有色金屬球閥分享友人