block brake：閘瓦制動器塊閘

block 滑車 | block brake 閘瓦制動器塊閘 | block casting 塊鑄

block brake：塊閘

block basin 斷塊盆地 | block brake 塊閘 | block cancel character 信息組作廢符號

block brake：閘塊式制動器

block 采區(qū);塊;滑車組 | block brake 閘塊式制動器 | block caving method 分段崩落采礦法

internal block brake：內蹄外張式制動器

internal block ==> 內部分程序,內分程序 | internal block brake ==> 內蹄外張式制動器 | internal bound block ==> 內帶滑車

block chain：塊環(huán)鏈

block cancel character 信息組作廢符號 | block chain 塊環(huán)鏈 | block check character 字塊檢驗字符

block chain：車鏈

block caprtal 大寫印刷字體 | block chain 車鏈 | block device 成組設備

block chain：滑車鏈

滑車連接法 block connection | 滑車鏈 block chain | 滑車栓 cotter block

block chain：滑車鏈條

block cap 船臺墩木墊塊 | block chain 滑車鏈條 | block chartlet 海圖)改正貼圖

block coal：塊煤

block check character 字塊檢驗字符 | block coal 塊煤 | block code 信息組代碼

block caving coal mining method：大塊崩落采煤法

block caving ==> 大塊坍落,分塊崩落開采法 | block caving coal mining method ==> 大塊崩落采煤法 | block chain ==> 塊環(huán)鏈