Clinical thermometer that use generally to have glass outer cover such as mercurial thermometer ,etc. or by liquid form mainly, although this kind of clinical thermometer has characteristic such as being steady , ocular and strong of performance , it is easy and broken, can only be in the observing , such shortcomings as reading is slow of scene, and if the mercurial thermometer is apt to cause the environmental pollution.

一般用的體溫計主要是以液態(tài)形式或是帶有玻璃外殼如水銀溫度計等，這類體溫計雖說具有性能穩(wěn)定黄色网站av在线免费观看、直觀性強等特點欧美69av，但是也具有容易破碎、只能在現(xiàn)場觀察国产资源水嫩视频在线播放、讀數慢等缺點99re国产在线，而且如水銀溫度計容易造成環(huán)境污染欧洲A∨国产在线。

The coral polyp is a kind of coelenterate in the ocean, it, in order to pray on the tiny planktonic organism in the ocean as the food, can absorb calcium and carbon dioxide in the sea water in the course of growing, then secrete out the lime stone, turn into the outer cover that oneself survives.

珊瑚蟲是海洋中的一種腔腸動物国外呦女网站，它以捕食海洋里細小的浮游生物為食，在生長過程中能吸收海水中的鈣和二氧化碳特级大黄A片免费线观看网站，然后分泌出石灰石igao为爱寻找激情视频，變?yōu)樽约荷娴耐鈿ぁ?/p>

"The outer cover of sheepskins coloured red , and the cover of leather , and the veil for the doorway;"

染紅公羊皮的蓋，海狗皮的頂蓋久久无码A片，和遮掩柜的幔子

outer dead point：外死點

outer cylinder cover 汽缸蓋外圈 | outer dead point 外死點 | outer diameter 外徑

outer product：向量積

outer cover 外罩 | outer product 向量積 | outfeed accumulator 出口貯料坑

leather seat cover：皮座套

leather outer cover 皮外罩 | leather seat cover 皮座套 | LED 發(fā)光二極管