空心

box metal

轴承合金,减磨合金

box loop 环形天线 | box metal 轴承合金,减磨合金 | box piston 空心活塞

Vilmorin bush cinquefoil

维氏金老梅

villus movement ==> 绒毛运动 | Vilmorin bush cinquefoil ==> 维氏金老梅 | viloft ==> 维洛夫特空心粘胶短纤维

core drill bit

取芯钻具

core drill 岩芯钻机;空心钻 | core drill bit 取芯钻具 | core electrode 有心电焊条

core drill bit

岩芯钻头

core cone bit 牙轮取心钻头 | core drill bit 岩芯钻头 | core drill for wood working 木工空心钻

core drill bit

取芯钻具, 取芯钻头

core drill 岩芯钻机;空心钻, 环孔钻头 | core drill bit 取芯钻具, 取芯钻头 | core electrode 有心电焊条

box and pin drill pipe

钻杆公母接头

"box","母接头 ; 空心结核 ; 盒状室" | "box and pin drill pipe","钻杆公母接头" | "box annealing","装箱退火 ; 闭箱退火法"

Holman dust extractor

霍尔曼捕尘器

"hollow-rod churn drill","空心钻杆顿钻机" | "Holman dust extractor","霍尔曼捕尘器" | "Holocence","全新世 ; 全新统"

Concrete admixtures

混凝土外加剂

建筑材料燃烧性能分级方法 Classification on burning behaviour for building materials | 混凝土外加剂 Concrete admixtures | 普通混凝土小型空心砌块 Normal concrete small hollow block

blastocoel

囊胚腔

桑椹胚一方面继续地分裂,一方面中心的细胞渐向表面迁移,因而变成一个空心的圆球,此时期的胚胎称囊胚(blastula),中间的空腔内充满胶状液体,称囊胚腔(blastocoel).

bowse

铅矿石

"bowl mill","碗磨" | "bowse","铅矿石" | "box","母接头 ; 空心结核 ; 盒状室"

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