双重系统

double-check valve

双向止回阀

double check system 双重监视系统重复检验制 | double check valve 双向止回阀 | double check 互相核对

drummer

巡回推销员

由生产者直接送货式的批发商 Drop shippers | 巡回推销员 Drummer | 双重通路系统 Dual channel system

dual form

对偶形

双重控制系统 dual control system | 对偶形 dual form | 对偶图 dual graph

double swing door

双摆

双吸泵 double suction pump | 双摆 double swing door | 双重点火系统 double system of ignition"

double swing door

双摆动门

"double suction pump","双吸泵" | "double swing door","双摆动门" | "double system of ignition","双重点火系统"

two-ply riveting

双层铆接

two-pitch system 双螺距系统 | two-ply riveting 双层铆接 | two-ply 两层的双重的双股的

epiphora

溢泪

而导流系统的病变则多引起泪道的阻塞,导致溢泪(epiphora). 正常的泪液分泌对维持角膜和结膜组织的生理功能起着重要的作用. 泪液的大部分是由泪腺分泌的. 泪腺受交感神经和副交感神经的双重支配,当受到物理和情感性刺激时可引起泪腺的分泌增加,

Dealers

批发商

60 Small-order automatic system 小额定单执行系统 | 61 dealers 批发商 | 62 Dual trading 双重交易

space velocity

载体涂料

specific surface area 空速 Y)}N(& | space velocity 载体涂料 G?ckrmh | washcoat 双重催化系统 @''=( ylSh

double tackle

二重滑车

"double system of ignition","双重点火系统" | "double tackle","二重滑车" | "double tail-phone receiver","双耳受话器"

Supposed to Be：应该吧

我想我该睡了 i think i should slp | 应该吧 supposed to be | 希望 hope so

Plain Weave：平布

509 hopsack 方平织物 | 510 plain weave 平布 | 511 panama 巴拿马薄呢